Home / 3,085,720.12-4,627,686.12-926,658.12

Finding the Fourth Proportional to 3,085,720.12, 4,627,686.12 and 926,658.12

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Solution

The fourth proportional to 3,085,720.12, 4,627,686.12 and 926,658.12 is: 1,389,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,720.12 : 4,627,686.12 = 926,658.12 : x
  2. Step 2: Convert to fraction form
    3,085,720.12/4,627,686.12 = 926,658.12/x
  3. Step 3: Cross multiply
    3,085,720.12x = 4,627,686.12 × 926,658.12
  4. Step 4: Simplify right side
    3,085,720.12x = 4,288,282,919,909.29
  5. Step 5: Solve for x
    x = 4,288,282,919,909.29/3,085,720.12
  6. Step 6: Final answer
    x = 1,389,718.69

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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.