Home / 2,981,900.63-4,114,914.86-1,822,286.93

Finding the Fourth Proportional to 2,981,900.63, 4,114,914.86 and 1,822,286.93

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Solution

The fourth proportional to 2,981,900.63, 4,114,914.86 and 1,822,286.93 is: 2,514,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,900.63 : 4,114,914.86 = 1,822,286.93 : x
  2. Step 2: Convert to fraction form
    2,981,900.63/4,114,914.86 = 1,822,286.93/x
  3. Step 3: Cross multiply
    2,981,900.63x = 4,114,914.86 × 1,822,286.93
  4. Step 4: Simplify right side
    2,981,900.63x = 7,498,555,567,440.78
  5. Step 5: Solve for x
    x = 7,498,555,567,440.78/2,981,900.63
  6. Step 6: Final answer
    x = 2,514,689.96

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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.