Home / 5,728,730.40-7,905,490.31-3,150,411.18

Finding the Fourth Proportional to 5,728,730.40, 7,905,490.31 and 3,150,411.18

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Solution

The fourth proportional to 5,728,730.40, 7,905,490.31 and 3,150,411.18 is: 4,347,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,730.40 : 7,905,490.31 = 3,150,411.18 : x
  2. Step 2: Convert to fraction form
    5,728,730.40/7,905,490.31 = 3,150,411.18/x
  3. Step 3: Cross multiply
    5,728,730.40x = 7,905,490.31 × 3,150,411.18
  4. Step 4: Simplify right side
    5,728,730.40x = 24,905,545,040,253.61
  5. Step 5: Solve for x
    x = 24,905,545,040,253.61/5,728,730.40
  6. Step 6: Final answer
    x = 4,347,480.73

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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.