Home / 2,028,567.78-2,799,511.02-1,123,149.78

Finding the Fourth Proportional to 2,028,567.78, 2,799,511.02 and 1,123,149.78

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Solution

The fourth proportional to 2,028,567.78, 2,799,511.02 and 1,123,149.78 is: 1,549,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,567.78 : 2,799,511.02 = 1,123,149.78 : x
  2. Step 2: Convert to fraction form
    2,028,567.78/2,799,511.02 = 1,123,149.78/x
  3. Step 3: Cross multiply
    2,028,567.78x = 2,799,511.02 × 1,123,149.78
  4. Step 4: Simplify right side
    2,028,567.78x = 3,144,270,186,220.58
  5. Step 5: Solve for x
    x = 3,144,270,186,220.58/2,028,567.78
  6. Step 6: Final answer
    x = 1,549,995.13

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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.