Home / 3,119,078.08-4,304,087.52-1,761,085.12

Finding the Fourth Proportional to 3,119,078.08, 4,304,087.52 and 1,761,085.12

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Solution

The fourth proportional to 3,119,078.08, 4,304,087.52 and 1,761,085.12 is: 2,430,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,078.08 : 4,304,087.52 = 1,761,085.12 : x
  2. Step 2: Convert to fraction form
    3,119,078.08/4,304,087.52 = 1,761,085.12/x
  3. Step 3: Cross multiply
    3,119,078.08x = 4,304,087.52 × 1,761,085.12
  4. Step 4: Simplify right side
    3,119,078.08x = 7,579,864,486,649.70
  5. Step 5: Solve for x
    x = 7,579,864,486,649.70/3,119,078.08
  6. Step 6: Final answer
    x = 2,430,161.83

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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.