Home / 6,386,428.58-9,581,168.10-2,126,633.72

Finding the Fourth Proportional to 6,386,428.58, 9,581,168.10 and 2,126,633.72

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Solution

The fourth proportional to 6,386,428.58, 9,581,168.10 and 2,126,633.72 is: 3,190,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,428.58 : 9,581,168.10 = 2,126,633.72 : x
  2. Step 2: Convert to fraction form
    6,386,428.58/9,581,168.10 = 2,126,633.72/x
  3. Step 3: Cross multiply
    6,386,428.58x = 9,581,168.10 × 2,126,633.72
  4. Step 4: Simplify right side
    6,386,428.58x = 20,375,635,158,448.33
  5. Step 5: Solve for x
    x = 20,375,635,158,448.33/6,386,428.58
  6. Step 6: Final answer
    x = 3,190,458.47

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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.