Home / 2,788,134.40-4,182,304.57-766,536.30

Finding the Fourth Proportional to 2,788,134.40, 4,182,304.57 and 766,536.30

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Solution

The fourth proportional to 2,788,134.40, 4,182,304.57 and 766,536.30 is: 1,149,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,134.40 : 4,182,304.57 = 766,536.30 : x
  2. Step 2: Convert to fraction form
    2,788,134.40/4,182,304.57 = 766,536.30/x
  3. Step 3: Cross multiply
    2,788,134.40x = 4,182,304.57 × 766,536.30
  4. Step 4: Simplify right side
    2,788,134.40x = 3,205,888,270,560.89
  5. Step 5: Solve for x
    x = 3,205,888,270,560.89/2,788,134.40
  6. Step 6: Final answer
    x = 1,149,832.76

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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.