Home / 4,388,471.34-6,580,340.12-1,991,007.86

Finding the Fourth Proportional to 4,388,471.34, 6,580,340.12 and 1,991,007.86

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Solution

The fourth proportional to 4,388,471.34, 6,580,340.12 and 1,991,007.86 is: 2,985,437.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,388,471.34 : 6,580,340.12 = 1,991,007.86 : x
  2. Step 2: Convert to fraction form
    4,388,471.34/6,580,340.12 = 1,991,007.86/x
  3. Step 3: Cross multiply
    4,388,471.34x = 6,580,340.12 × 1,991,007.86
  4. Step 4: Simplify right side
    4,388,471.34x = 13,101,508,900,393.34
  5. Step 5: Solve for x
    x = 13,101,508,900,393.34/4,388,471.34
  6. Step 6: Final answer
    x = 2,985,437.95

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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.