Home / 2,625,712.71-3,937,622.21-1,109,513.15

Finding the Fourth Proportional to 2,625,712.71, 3,937,622.21 and 1,109,513.15

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Solution

The fourth proportional to 2,625,712.71, 3,937,622.21 and 1,109,513.15 is: 1,663,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,712.71 : 3,937,622.21 = 1,109,513.15 : x
  2. Step 2: Convert to fraction form
    2,625,712.71/3,937,622.21 = 1,109,513.15/x
  3. Step 3: Cross multiply
    2,625,712.71x = 3,937,622.21 × 1,109,513.15
  4. Step 4: Simplify right side
    2,625,712.71x = 4,368,843,637,069.75
  5. Step 5: Solve for x
    x = 4,368,843,637,069.75/2,625,712.71
  6. Step 6: Final answer
    x = 1,663,869.63

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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.