Home / 1,901,785.07-2,851,627.84-780,641.39

Finding the Fourth Proportional to 1,901,785.07, 2,851,627.84 and 780,641.39

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Solution

The fourth proportional to 1,901,785.07, 2,851,627.84 and 780,641.39 is: 1,170,531.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,785.07 : 2,851,627.84 = 780,641.39 : x
  2. Step 2: Convert to fraction form
    1,901,785.07/2,851,627.84 = 780,641.39/x
  3. Step 3: Cross multiply
    1,901,785.07x = 2,851,627.84 × 780,641.39
  4. Step 4: Simplify right side
    1,901,785.07x = 2,226,098,720,780.30
  5. Step 5: Solve for x
    x = 2,226,098,720,780.30/1,901,785.07
  6. Step 6: Final answer
    x = 1,170,531.18

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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.