Home / 2,616,659.40-3,922,073.10-1,018,691.40

Finding the Fourth Proportional to 2,616,659.40, 3,922,073.10 and 1,018,691.40

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Solution

The fourth proportional to 2,616,659.40, 3,922,073.10 and 1,018,691.40 is: 1,526,901.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,659.40 : 3,922,073.10 = 1,018,691.40 : x
  2. Step 2: Convert to fraction form
    2,616,659.40/3,922,073.10 = 1,018,691.40/x
  3. Step 3: Cross multiply
    2,616,659.40x = 3,922,073.10 × 1,018,691.40
  4. Step 4: Simplify right side
    2,616,659.40x = 3,995,382,137,141.34
  5. Step 5: Solve for x
    x = 3,995,382,137,141.34/2,616,659.40
  6. Step 6: Final answer
    x = 1,526,901.87

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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.