Home / 5,221,421.08-7,832,120.83-2,945,912.50

Finding the Fourth Proportional to 5,221,421.08, 7,832,120.83 and 2,945,912.50

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Solution

The fourth proportional to 5,221,421.08, 7,832,120.83 and 2,945,912.50 is: 4,418,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,421.08 : 7,832,120.83 = 2,945,912.50 : x
  2. Step 2: Convert to fraction form
    5,221,421.08/7,832,120.83 = 2,945,912.50/x
  3. Step 3: Cross multiply
    5,221,421.08x = 7,832,120.83 × 2,945,912.50
  4. Step 4: Simplify right side
    5,221,421.08x = 23,072,742,654,607.38
  5. Step 5: Solve for x
    x = 23,072,742,654,607.38/5,221,421.08
  6. Step 6: Final answer
    x = 4,418,862.66

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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.