Home / 3,105,691.92-4,284,858.02-1,881,606.15

Finding the Fourth Proportional to 3,105,691.92, 4,284,858.02 and 1,881,606.15

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Solution

The fourth proportional to 3,105,691.92, 4,284,858.02 and 1,881,606.15 is: 2,596,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,691.92 : 4,284,858.02 = 1,881,606.15 : x
  2. Step 2: Convert to fraction form
    3,105,691.92/4,284,858.02 = 1,881,606.15/x
  3. Step 3: Cross multiply
    3,105,691.92x = 4,284,858.02 × 1,881,606.15
  4. Step 4: Simplify right side
    3,105,691.92x = 8,062,415,192,900.79
  5. Step 5: Solve for x
    x = 8,062,415,192,900.79/3,105,691.92
  6. Step 6: Final answer
    x = 2,596,012.55

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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.