Home / 2,141,747.02-3,212,631.62-721,815.40

Finding the Fourth Proportional to 2,141,747.02, 3,212,631.62 and 721,815.40

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Solution

The fourth proportional to 2,141,747.02, 3,212,631.62 and 721,815.40 is: 1,082,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,747.02 : 3,212,631.62 = 721,815.40 : x
  2. Step 2: Convert to fraction form
    2,141,747.02/3,212,631.62 = 721,815.40/x
  3. Step 3: Cross multiply
    2,141,747.02x = 3,212,631.62 × 721,815.40
  4. Step 4: Simplify right side
    2,141,747.02x = 2,318,926,980,956.47
  5. Step 5: Solve for x
    x = 2,318,926,980,956.47/2,141,747.02
  6. Step 6: Final answer
    x = 1,082,726.84

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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.