Home / 5,572,140.80-8,358,211.20-1,788,339.20

Finding the Fourth Proportional to 5,572,140.80, 8,358,211.20 and 1,788,339.20

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Solution

The fourth proportional to 5,572,140.80, 8,358,211.20 and 1,788,339.20 is: 2,682,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572,140.80 : 8,358,211.20 = 1,788,339.20 : x
  2. Step 2: Convert to fraction form
    5,572,140.80/8,358,211.20 = 1,788,339.20/x
  3. Step 3: Cross multiply
    5,572,140.80x = 8,358,211.20 × 1,788,339.20
  4. Step 4: Simplify right side
    5,572,140.80x = 14,947,316,730,839.04
  5. Step 5: Solve for x
    x = 14,947,316,730,839.04/5,572,140.80
  6. Step 6: Final answer
    x = 2,682,508.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.