Home / 2,015,474.40-2,781,148.32-1,240,982.40

Finding the Fourth Proportional to 2,015,474.40, 2,781,148.32 and 1,240,982.40

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Solution

The fourth proportional to 2,015,474.40, 2,781,148.32 and 1,240,982.40 is: 1,712,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,474.40 : 2,781,148.32 = 1,240,982.40 : x
  2. Step 2: Convert to fraction form
    2,015,474.40/2,781,148.32 = 1,240,982.40/x
  3. Step 3: Cross multiply
    2,015,474.40x = 2,781,148.32 × 1,240,982.40
  4. Step 4: Simplify right side
    2,015,474.40x = 3,451,356,116,909.57
  5. Step 5: Solve for x
    x = 3,451,356,116,909.57/2,015,474.40
  6. Step 6: Final answer
    x = 1,712,428.66

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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.