Home / 5,420,438.32-7,480,153.92-2,972,999.56

Finding the Fourth Proportional to 5,420,438.32, 7,480,153.92 and 2,972,999.56

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Solution

The fourth proportional to 5,420,438.32, 7,480,153.92 and 2,972,999.56 is: 4,102,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,438.32 : 7,480,153.92 = 2,972,999.56 : x
  2. Step 2: Convert to fraction form
    5,420,438.32/7,480,153.92 = 2,972,999.56/x
  3. Step 3: Cross multiply
    5,420,438.32x = 7,480,153.92 × 2,972,999.56
  4. Step 4: Simplify right side
    5,420,438.32x = 22,238,494,312,892.28
  5. Step 5: Solve for x
    x = 22,238,494,312,892.28/5,420,438.32
  6. Step 6: Final answer
    x = 4,102,711.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.