Home / 1,902,421.20-2,625,340.44-1,042,962.96

Finding the Fourth Proportional to 1,902,421.20, 2,625,340.44 and 1,042,962.96

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Solution

The fourth proportional to 1,902,421.20, 2,625,340.44 and 1,042,962.96 is: 1,439,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,421.20 : 2,625,340.44 = 1,042,962.96 : x
  2. Step 2: Convert to fraction form
    1,902,421.20/2,625,340.44 = 1,042,962.96/x
  3. Step 3: Cross multiply
    1,902,421.20x = 2,625,340.44 × 1,042,962.96
  4. Step 4: Simplify right side
    1,902,421.20x = 2,738,132,836,310.10
  5. Step 5: Solve for x
    x = 2,738,132,836,310.10/1,902,421.20
  6. Step 6: Final answer
    x = 1,439,288.44

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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.