Home / 2,686,058.20-4,020,229.95-1,888,896.70

Finding the Fourth Proportional to 2,686,058.20, 4,020,229.95 and 1,888,896.70

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Solution

The fourth proportional to 2,686,058.20, 4,020,229.95 and 1,888,896.70 is: 2,827,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,058.20 : 4,020,229.95 = 1,888,896.70 : x
  2. Step 2: Convert to fraction form
    2,686,058.20/4,020,229.95 = 1,888,896.70/x
  3. Step 3: Cross multiply
    2,686,058.20x = 4,020,229.95 × 1,888,896.70
  4. Step 4: Simplify right side
    2,686,058.20x = 7,593,799,085,796.17
  5. Step 5: Solve for x
    x = 7,593,799,085,796.17/2,686,058.20
  6. Step 6: Final answer
    x = 2,827,116.36

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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.