Home / 2,147,607.28-3,221,575.80-707,730.64

Finding the Fourth Proportional to 2,147,607.28, 3,221,575.80 and 707,730.64

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Solution

The fourth proportional to 2,147,607.28, 3,221,575.80 and 707,730.64 is: 1,061,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,607.28 : 3,221,575.80 = 707,730.64 : x
  2. Step 2: Convert to fraction form
    2,147,607.28/3,221,575.80 = 707,730.64/x
  3. Step 3: Cross multiply
    2,147,607.28x = 3,221,575.80 × 707,730.64
  4. Step 4: Simplify right side
    2,147,607.28x = 2,280,007,902,742.51
  5. Step 5: Solve for x
    x = 2,280,007,902,742.51/2,147,607.28
  6. Step 6: Final answer
    x = 1,061,650.30

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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.