Home / 4,481,973.20-6,721,934.52-1,287,074

Finding the Fourth Proportional to 4,481,973.20, 6,721,934.52 and 1,287,074

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Solution

The fourth proportional to 4,481,973.20, 6,721,934.52 and 1,287,074 is: 1,930,316.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481,973.20 : 6,721,934.52 = 1,287,074 : x
  2. Step 2: Convert to fraction form
    4,481,973.20/6,721,934.52 = 1,287,074/x
  3. Step 3: Cross multiply
    4,481,973.20x = 6,721,934.52 × 1,287,074
  4. Step 4: Simplify right side
    4,481,973.20x = 8,651,627,150,394.48
  5. Step 5: Solve for x
    x = 8,651,627,150,394.48/4,481,973.20
  6. Step 6: Final answer
    x = 1,930,316.57

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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.