Home / 3,640,385.70-5,460,578.55-2,506,644.90

Finding the Fourth Proportional to 3,640,385.70, 5,460,578.55 and 2,506,644.90

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Solution

The fourth proportional to 3,640,385.70, 5,460,578.55 and 2,506,644.90 is: 3,759,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,385.70 : 5,460,578.55 = 2,506,644.90 : x
  2. Step 2: Convert to fraction form
    3,640,385.70/5,460,578.55 = 2,506,644.90/x
  3. Step 3: Cross multiply
    3,640,385.70x = 5,460,578.55 × 2,506,644.90
  4. Step 4: Simplify right side
    3,640,385.70x = 13,687,731,373,406.89
  5. Step 5: Solve for x
    x = 13,687,731,373,406.89/3,640,385.70
  6. Step 6: Final answer
    x = 3,759,967.35

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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.