Home / 3,160,977.12-4,738,559.30-1,138,726.46

Finding the Fourth Proportional to 3,160,977.12, 4,738,559.30 and 1,138,726.46

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Solution

The fourth proportional to 3,160,977.12, 4,738,559.30 and 1,138,726.46 is: 1,707,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,977.12 : 4,738,559.30 = 1,138,726.46 : x
  2. Step 2: Convert to fraction form
    3,160,977.12/4,738,559.30 = 1,138,726.46/x
  3. Step 3: Cross multiply
    3,160,977.12x = 4,738,559.30 × 1,138,726.46
  4. Step 4: Simplify right side
    3,160,977.12x = 5,395,922,857,189.08
  5. Step 5: Solve for x
    x = 5,395,922,857,189.08/3,160,977.12
  6. Step 6: Final answer
    x = 1,707,042.68

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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.