Home / 2,981,739.20-4,114,687.76-1,822,124.48

Finding the Fourth Proportional to 2,981,739.20, 4,114,687.76 and 1,822,124.48

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Solution

The fourth proportional to 2,981,739.20, 4,114,687.76 and 1,822,124.48 is: 2,514,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,739.20 : 4,114,687.76 = 1,822,124.48 : x
  2. Step 2: Convert to fraction form
    2,981,739.20/4,114,687.76 = 1,822,124.48/x
  3. Step 3: Cross multiply
    2,981,739.20x = 4,114,687.76 × 1,822,124.48
  4. Step 4: Simplify right side
    2,981,739.20x = 7,497,473,295,052.36
  5. Step 5: Solve for x
    x = 7,497,473,295,052.36/2,981,739.20
  6. Step 6: Final answer
    x = 2,514,463.13

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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.