Home / 4,461,123.78-6,691,831.17-2,123,655.15

Finding the Fourth Proportional to 4,461,123.78, 6,691,831.17 and 2,123,655.15

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Solution

The fourth proportional to 4,461,123.78, 6,691,831.17 and 2,123,655.15 is: 3,185,551.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461,123.78 : 6,691,831.17 = 2,123,655.15 : x
  2. Step 2: Convert to fraction form
    4,461,123.78/6,691,831.17 = 2,123,655.15/x
  3. Step 3: Cross multiply
    4,461,123.78x = 6,691,831.17 × 2,123,655.15
  4. Step 4: Simplify right side
    4,461,123.78x = 14,211,141,727,101.03
  5. Step 5: Solve for x
    x = 14,211,141,727,101.03/4,461,123.78
  6. Step 6: Final answer
    x = 3,185,551.99

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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.