Home / 2,528,578.29-3,792,236.10-991,886.04

Finding the Fourth Proportional to 2,528,578.29, 3,792,236.10 and 991,886.04

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Solution

The fourth proportional to 2,528,578.29, 3,792,236.10 and 991,886.04 is: 1,487,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,578.29 : 3,792,236.10 = 991,886.04 : x
  2. Step 2: Convert to fraction form
    2,528,578.29/3,792,236.10 = 991,886.04/x
  3. Step 3: Cross multiply
    2,528,578.29x = 3,792,236.10 × 991,886.04
  4. Step 4: Simplify right side
    2,528,578.29x = 3,761,466,047,974.04
  5. Step 5: Solve for x
    x = 3,761,466,047,974.04/2,528,578.29
  6. Step 6: Final answer
    x = 1,487,581.41

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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.