Home / 3,468,822.30-4,786,403.74-2,178,743.81

Finding the Fourth Proportional to 3,468,822.30, 4,786,403.74 and 2,178,743.81

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Solution

The fourth proportional to 3,468,822.30, 4,786,403.74 and 2,178,743.81 is: 3,006,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,822.30 : 4,786,403.74 = 2,178,743.81 : x
  2. Step 2: Convert to fraction form
    3,468,822.30/4,786,403.74 = 2,178,743.81/x
  3. Step 3: Cross multiply
    3,468,822.30x = 4,786,403.74 × 2,178,743.81
  4. Step 4: Simplify right side
    3,468,822.30x = 10,428,347,491,306.97
  5. Step 5: Solve for x
    x = 10,428,347,491,306.97/3,468,822.30
  6. Step 6: Final answer
    x = 3,006,307.79

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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.