Home / 3,132,401.20-4,698,601.80-1,872,689.20

Finding the Fourth Proportional to 3,132,401.20, 4,698,601.80 and 1,872,689.20

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Solution

The fourth proportional to 3,132,401.20, 4,698,601.80 and 1,872,689.20 is: 2,809,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,401.20 : 4,698,601.80 = 1,872,689.20 : x
  2. Step 2: Convert to fraction form
    3,132,401.20/4,698,601.80 = 1,872,689.20/x
  3. Step 3: Cross multiply
    3,132,401.20x = 4,698,601.80 × 1,872,689.20
  4. Step 4: Simplify right side
    3,132,401.20x = 8,799,020,845,960.56
  5. Step 5: Solve for x
    x = 8,799,020,845,960.56/3,132,401.20
  6. Step 6: Final answer
    x = 2,809,033.80

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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.