Home / 3,612,957.81-5,419,439.15-917,485.17

Finding the Fourth Proportional to 3,612,957.81, 5,419,439.15 and 917,485.17

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Solution

The fourth proportional to 3,612,957.81, 5,419,439.15 and 917,485.17 is: 1,376,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,957.81 : 5,419,439.15 = 917,485.17 : x
  2. Step 2: Convert to fraction form
    3,612,957.81/5,419,439.15 = 917,485.17/x
  3. Step 3: Cross multiply
    3,612,957.81x = 5,419,439.15 × 917,485.17
  4. Step 4: Simplify right side
    3,612,957.81x = 4,972,255,045,254.98
  5. Step 5: Solve for x
    x = 4,972,255,045,254.98/3,612,957.81
  6. Step 6: Final answer
    x = 1,376,228.37

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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.