Home / 2,747,689.40-4,121,490.90-753,145.40

Finding the Fourth Proportional to 2,747,689.40, 4,121,490.90 and 753,145.40

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Solution

The fourth proportional to 2,747,689.40, 4,121,490.90 and 753,145.40 is: 1,129,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747,689.40 : 4,121,490.90 = 753,145.40 : x
  2. Step 2: Convert to fraction form
    2,747,689.40/4,121,490.90 = 753,145.40/x
  3. Step 3: Cross multiply
    2,747,689.40x = 4,121,490.90 × 753,145.40
  4. Step 4: Simplify right side
    2,747,689.40x = 3,104,081,912,476.86
  5. Step 5: Solve for x
    x = 3,104,081,912,476.86/2,747,689.40
  6. Step 6: Final answer
    x = 1,129,706.26

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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.