Home / 5,325,813.60-7,988,979.60-1,487,631.84

Finding the Fourth Proportional to 5,325,813.60, 7,988,979.60 and 1,487,631.84

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Solution

The fourth proportional to 5,325,813.60, 7,988,979.60 and 1,487,631.84 is: 2,231,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,813.60 : 7,988,979.60 = 1,487,631.84 : x
  2. Step 2: Convert to fraction form
    5,325,813.60/7,988,979.60 = 1,487,631.84/x
  3. Step 3: Cross multiply
    5,325,813.60x = 7,988,979.60 × 1,487,631.84
  4. Step 4: Simplify right side
    5,325,813.60x = 11,884,660,422,070.46
  5. Step 5: Solve for x
    x = 11,884,660,422,070.46/5,325,813.60
  6. Step 6: Final answer
    x = 2,231,520.16

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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.