Home / 4,479,815.40-6,719,723.10-1,487,999.40

Finding the Fourth Proportional to 4,479,815.40, 6,719,723.10 and 1,487,999.40

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Solution

The fourth proportional to 4,479,815.40, 6,719,723.10 and 1,487,999.40 is: 2,231,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,815.40 : 6,719,723.10 = 1,487,999.40 : x
  2. Step 2: Convert to fraction form
    4,479,815.40/6,719,723.10 = 1,487,999.40/x
  3. Step 3: Cross multiply
    4,479,815.40x = 6,719,723.10 × 1,487,999.40
  4. Step 4: Simplify right side
    4,479,815.40x = 9,998,943,940,966.14
  5. Step 5: Solve for x
    x = 9,998,943,940,966.14/4,479,815.40
  6. Step 6: Final answer
    x = 2,231,999.10

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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.