Home / 2,528,726.13-3,489,640.54-1,382,806.47

Finding the Fourth Proportional to 2,528,726.13, 3,489,640.54 and 1,382,806.47

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Solution

The fourth proportional to 2,528,726.13, 3,489,640.54 and 1,382,806.47 is: 1,908,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,726.13 : 3,489,640.54 = 1,382,806.47 : x
  2. Step 2: Convert to fraction form
    2,528,726.13/3,489,640.54 = 1,382,806.47/x
  3. Step 3: Cross multiply
    2,528,726.13x = 3,489,640.54 × 1,382,806.47
  4. Step 4: Simplify right side
    2,528,726.13x = 4,825,497,516,686.29
  5. Step 5: Solve for x
    x = 4,825,497,516,686.29/2,528,726.13
  6. Step 6: Final answer
    x = 1,908,272.10

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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.