Home / 5,208,905.60-7,813,358.40-3,218,249.60

Finding the Fourth Proportional to 5,208,905.60, 7,813,358.40 and 3,218,249.60

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Solution

The fourth proportional to 5,208,905.60, 7,813,358.40 and 3,218,249.60 is: 4,827,374.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,905.60 : 7,813,358.40 = 3,218,249.60 : x
  2. Step 2: Convert to fraction form
    5,208,905.60/7,813,358.40 = 3,218,249.60/x
  3. Step 3: Cross multiply
    5,208,905.60x = 7,813,358.40 × 3,218,249.60
  4. Step 4: Simplify right side
    5,208,905.60x = 25,145,337,545,456.64
  5. Step 5: Solve for x
    x = 25,145,337,545,456.64/5,208,905.60
  6. Step 6: Final answer
    x = 4,827,374.40

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Similar ratio
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1.5x scale

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.