Home / 1,925,172.11-2,656,885.07-1,098,263.87

Finding the Fourth Proportional to 1,925,172.11, 2,656,885.07 and 1,098,263.87

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Solution

The fourth proportional to 1,925,172.11, 2,656,885.07 and 1,098,263.87 is: 1,515,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,172.11 : 2,656,885.07 = 1,098,263.87 : x
  2. Step 2: Convert to fraction form
    1,925,172.11/2,656,885.07 = 1,098,263.87/x
  3. Step 3: Cross multiply
    1,925,172.11x = 2,656,885.07 × 1,098,263.87
  4. Step 4: Simplify right side
    1,925,172.11x = 2,917,960,868,584.66
  5. Step 5: Solve for x
    x = 2,917,960,868,584.66/1,925,172.11
  6. Step 6: Final answer
    x = 1,515,688.31

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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.