Home / 4,920,613.12-7,383,050.52-2,643,480.64

Finding the Fourth Proportional to 4,920,613.12, 7,383,050.52 and 2,643,480.64

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Solution

The fourth proportional to 4,920,613.12, 7,383,050.52 and 2,643,480.64 is: 3,966,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,613.12 : 7,383,050.52 = 2,643,480.64 : x
  2. Step 2: Convert to fraction form
    4,920,613.12/7,383,050.52 = 2,643,480.64/x
  3. Step 3: Cross multiply
    4,920,613.12x = 7,383,050.52 × 2,643,480.64
  4. Step 4: Simplify right side
    4,920,613.12x = 19,516,951,113,761.93
  5. Step 5: Solve for x
    x = 19,516,951,113,761.93/4,920,613.12
  6. Step 6: Final answer
    x = 3,966,365.70

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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.