Home / 2,607,728.80-3,911,593.20-2,520,637.60

Finding the Fourth Proportional to 2,607,728.80, 3,911,593.20 and 2,520,637.60

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Solution

The fourth proportional to 2,607,728.80, 3,911,593.20 and 2,520,637.60 is: 3,780,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,728.80 : 3,911,593.20 = 2,520,637.60 : x
  2. Step 2: Convert to fraction form
    2,607,728.80/3,911,593.20 = 2,520,637.60/x
  3. Step 3: Cross multiply
    2,607,728.80x = 3,911,593.20 × 2,520,637.60
  4. Step 4: Simplify right side
    2,607,728.80x = 9,859,708,895,824.32
  5. Step 5: Solve for x
    x = 9,859,708,895,824.32/2,607,728.80
  6. Step 6: Final answer
    x = 3,780,956.40

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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.