Home / 4,961,909.60-7,442,864.40-2,122,308.80

Finding the Fourth Proportional to 4,961,909.60, 7,442,864.40 and 2,122,308.80

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Solution

The fourth proportional to 4,961,909.60, 7,442,864.40 and 2,122,308.80 is: 3,183,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961,909.60 : 7,442,864.40 = 2,122,308.80 : x
  2. Step 2: Convert to fraction form
    4,961,909.60/7,442,864.40 = 2,122,308.80/x
  3. Step 3: Cross multiply
    4,961,909.60x = 7,442,864.40 × 2,122,308.80
  4. Step 4: Simplify right side
    4,961,909.60x = 15,796,056,613,326.72
  5. Step 5: Solve for x
    x = 15,796,056,613,326.72/4,961,909.60
  6. Step 6: Final answer
    x = 3,183,463.20

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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.