Home / 4,042,642.70-6,063,964.05-1,645,253.30

Finding the Fourth Proportional to 4,042,642.70, 6,063,964.05 and 1,645,253.30

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Solution

The fourth proportional to 4,042,642.70, 6,063,964.05 and 1,645,253.30 is: 2,467,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042,642.70 : 6,063,964.05 = 1,645,253.30 : x
  2. Step 2: Convert to fraction form
    4,042,642.70/6,063,964.05 = 1,645,253.30/x
  3. Step 3: Cross multiply
    4,042,642.70x = 6,063,964.05 × 1,645,253.30
  4. Step 4: Simplify right side
    4,042,642.70x = 9,976,756,864,343.87
  5. Step 5: Solve for x
    x = 9,976,756,864,343.87/4,042,642.70
  6. Step 6: Final answer
    x = 2,467,879.95

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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.