Home / 2,175,321.52-3,263,449.20-912,421.36

Finding the Fourth Proportional to 2,175,321.52, 3,263,449.20 and 912,421.36

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Solution

The fourth proportional to 2,175,321.52, 3,263,449.20 and 912,421.36 is: 1,368,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,321.52 : 3,263,449.20 = 912,421.36 : x
  2. Step 2: Convert to fraction form
    2,175,321.52/3,263,449.20 = 912,421.36/x
  3. Step 3: Cross multiply
    2,175,321.52x = 3,263,449.20 × 912,421.36
  4. Step 4: Simplify right side
    2,175,321.52x = 2,977,640,757,354.91
  5. Step 5: Solve for x
    x = 2,977,640,757,354.91/2,175,321.52
  6. Step 6: Final answer
    x = 1,368,827.89

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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.