Home / 4,130,813.80-6,196,220.70-3,280,508.20

Finding the Fourth Proportional to 4,130,813.80, 6,196,220.70 and 3,280,508.20

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Solution

The fourth proportional to 4,130,813.80, 6,196,220.70 and 3,280,508.20 is: 4,920,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,813.80 : 6,196,220.70 = 3,280,508.20 : x
  2. Step 2: Convert to fraction form
    4,130,813.80/6,196,220.70 = 3,280,508.20/x
  3. Step 3: Cross multiply
    4,130,813.80x = 6,196,220.70 × 3,280,508.20
  4. Step 4: Simplify right side
    4,130,813.80x = 20,326,752,815,359.74
  5. Step 5: Solve for x
    x = 20,326,752,815,359.74/4,130,813.80
  6. Step 6: Final answer
    x = 4,920,762.30

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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.