Home / 5,239,931.20-7,231,030.98-2,948,086.42

Finding the Fourth Proportional to 5,239,931.20, 7,231,030.98 and 2,948,086.42

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Solution

The fourth proportional to 5,239,931.20, 7,231,030.98 and 2,948,086.42 is: 4,068,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239,931.20 : 7,231,030.98 = 2,948,086.42 : x
  2. Step 2: Convert to fraction form
    5,239,931.20/7,231,030.98 = 2,948,086.42/x
  3. Step 3: Cross multiply
    5,239,931.20x = 7,231,030.98 × 2,948,086.42
  4. Step 4: Simplify right side
    5,239,931.20x = 21,317,704,234,737.29
  5. Step 5: Solve for x
    x = 21,317,704,234,737.29/5,239,931.20
  6. Step 6: Final answer
    x = 4,068,317.58

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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.