Home / 3,031,979.10-4,537,471.05-2,780,036.70

Finding the Fourth Proportional to 3,031,979.10, 4,537,471.05 and 2,780,036.70

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Solution

The fourth proportional to 3,031,979.10, 4,537,471.05 and 2,780,036.70 is: 4,160,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031,979.10 : 4,537,471.05 = 2,780,036.70 : x
  2. Step 2: Convert to fraction form
    3,031,979.10/4,537,471.05 = 2,780,036.70/x
  3. Step 3: Cross multiply
    3,031,979.10x = 4,537,471.05 × 2,780,036.70
  4. Step 4: Simplify right side
    3,031,979.10x = 12,614,336,044,187.54
  5. Step 5: Solve for x
    x = 12,614,336,044,187.54/3,031,979.10
  6. Step 6: Final answer
    x = 4,160,429.75

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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.