Home / 6,475,686.72-8,937,617.28-3,862,358.40

Finding the Fourth Proportional to 6,475,686.72, 8,937,617.28 and 3,862,358.40

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Solution

The fourth proportional to 6,475,686.72, 8,937,617.28 and 3,862,358.40 is: 5,330,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,686.72 : 8,937,617.28 = 3,862,358.40 : x
  2. Step 2: Convert to fraction form
    6,475,686.72/8,937,617.28 = 3,862,358.40/x
  3. Step 3: Cross multiply
    6,475,686.72x = 8,937,617.28 × 3,862,358.40
  4. Step 4: Simplify right side
    6,475,686.72x = 34,520,281,177,393.15
  5. Step 5: Solve for x
    x = 34,520,281,177,393.15/6,475,686.72
  6. Step 6: Final answer
    x = 5,330,752.19

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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.