Home / 2,684,205.76-3,704,306.16-1,538,507.20

Finding the Fourth Proportional to 2,684,205.76, 3,704,306.16 and 1,538,507.20

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Solution

The fourth proportional to 2,684,205.76, 3,704,306.16 and 1,538,507.20 is: 2,123,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684,205.76 : 3,704,306.16 = 1,538,507.20 : x
  2. Step 2: Convert to fraction form
    2,684,205.76/3,704,306.16 = 1,538,507.20/x
  3. Step 3: Cross multiply
    2,684,205.76x = 3,704,306.16 × 1,538,507.20
  4. Step 4: Simplify right side
    2,684,205.76x = 5,699,101,698,164.35
  5. Step 5: Solve for x
    x = 5,699,101,698,164.35/2,684,205.76
  6. Step 6: Final answer
    x = 2,123,198.52

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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.