Home / 2,080,323.90-3,121,032.60-660,377.70

Finding the Fourth Proportional to 2,080,323.90, 3,121,032.60 and 660,377.70

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Solution

The fourth proportional to 2,080,323.90, 3,121,032.60 and 660,377.70 is: 990,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,323.90 : 3,121,032.60 = 660,377.70 : x
  2. Step 2: Convert to fraction form
    2,080,323.90/3,121,032.60 = 660,377.70/x
  3. Step 3: Cross multiply
    2,080,323.90x = 3,121,032.60 × 660,377.70
  4. Step 4: Simplify right side
    2,080,323.90x = 2,061,060,330,013.02
  5. Step 5: Solve for x
    x = 2,061,060,330,013.02/2,080,323.90
  6. Step 6: Final answer
    x = 990,740.11

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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.