Home / 1,990,263.90-2,984,542.92-925,194.90

Finding the Fourth Proportional to 1,990,263.90, 2,984,542.92 and 925,194.90

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Solution

The fourth proportional to 1,990,263.90, 2,984,542.92 and 925,194.90 is: 1,387,395.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,263.90 : 2,984,542.92 = 925,194.90 : x
  2. Step 2: Convert to fraction form
    1,990,263.90/2,984,542.92 = 925,194.90/x
  3. Step 3: Cross multiply
    1,990,263.90x = 2,984,542.92 × 925,194.90
  4. Step 4: Simplify right side
    1,990,263.90x = 2,761,283,888,415.11
  5. Step 5: Solve for x
    x = 2,761,283,888,415.11/1,990,263.90
  6. Step 6: Final answer
    x = 1,387,395.86

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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.