Home / 5,121,165.15-7,067,124.30-2,798,007.67

Finding the Fourth Proportional to 5,121,165.15, 7,067,124.30 and 2,798,007.67

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Solution

The fourth proportional to 5,121,165.15, 7,067,124.30 and 2,798,007.67 is: 3,861,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,165.15 : 7,067,124.30 = 2,798,007.67 : x
  2. Step 2: Convert to fraction form
    5,121,165.15/7,067,124.30 = 2,798,007.67/x
  3. Step 3: Cross multiply
    5,121,165.15x = 7,067,124.30 × 2,798,007.67
  4. Step 4: Simplify right side
    5,121,165.15x = 19,773,867,996,243.38
  5. Step 5: Solve for x
    x = 19,773,867,996,243.38/5,121,165.15
  6. Step 6: Final answer
    x = 3,861,204.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.