Home / 6,479,405.70-9,719,108.55-5,219,693.70

Finding the Fourth Proportional to 6,479,405.70, 9,719,108.55 and 5,219,693.70

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Solution

The fourth proportional to 6,479,405.70, 9,719,108.55 and 5,219,693.70 is: 7,829,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,479,405.70 : 9,719,108.55 = 5,219,693.70 : x
  2. Step 2: Convert to fraction form
    6,479,405.70/9,719,108.55 = 5,219,693.70/x
  3. Step 3: Cross multiply
    6,479,405.70x = 9,719,108.55 × 5,219,693.70
  4. Step 4: Simplify right side
    6,479,405.70x = 50,730,769,668,051.14
  5. Step 5: Solve for x
    x = 50,730,769,668,051.14/6,479,405.70
  6. Step 6: Final answer
    x = 7,829,540.55

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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.