Home / 2,391,865.13-3,587,810.67-618,937.13

Finding the Fourth Proportional to 2,391,865.13, 3,587,810.67 and 618,937.13

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Solution

The fourth proportional to 2,391,865.13, 3,587,810.67 and 618,937.13 is: 928,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,865.13 : 3,587,810.67 = 618,937.13 : x
  2. Step 2: Convert to fraction form
    2,391,865.13/3,587,810.67 = 618,937.13/x
  3. Step 3: Cross multiply
    2,391,865.13x = 3,587,810.67 × 618,937.13
  4. Step 4: Simplify right side
    2,391,865.13x = 2,220,629,221,134.12
  5. Step 5: Solve for x
    x = 2,220,629,221,134.12/2,391,865.13
  6. Step 6: Final answer
    x = 928,409.05

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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.