Home / 2,981,289.78-4,116,737.46-2,884,883.07

Finding the Fourth Proportional to 2,981,289.78, 4,116,737.46 and 2,884,883.07

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Solution

The fourth proportional to 2,981,289.78, 4,116,737.46 and 2,884,883.07 is: 3,983,613.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,289.78 : 4,116,737.46 = 2,884,883.07 : x
  2. Step 2: Convert to fraction form
    2,981,289.78/4,116,737.46 = 2,884,883.07/x
  3. Step 3: Cross multiply
    2,981,289.78x = 4,116,737.46 × 2,884,883.07
  4. Step 4: Simplify right side
    2,981,289.78x = 11,876,306,201,988.80
  5. Step 5: Solve for x
    x = 11,876,306,201,988.80/2,981,289.78
  6. Step 6: Final answer
    x = 3,983,613.50

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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.