Home / 5,288,112.95-7,932,357.39-1,693,412.78

Finding the Fourth Proportional to 5,288,112.95, 7,932,357.39 and 1,693,412.78

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Solution

The fourth proportional to 5,288,112.95, 7,932,357.39 and 1,693,412.78 is: 2,540,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,112.95 : 7,932,357.39 = 1,693,412.78 : x
  2. Step 2: Convert to fraction form
    5,288,112.95/7,932,357.39 = 1,693,412.78/x
  3. Step 3: Cross multiply
    5,288,112.95x = 7,932,357.39 × 1,693,412.78
  4. Step 4: Simplify right side
    5,288,112.95x = 13,432,755,381,536.02
  5. Step 5: Solve for x
    x = 13,432,755,381,536.02/5,288,112.95
  6. Step 6: Final answer
    x = 2,540,179.36

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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.