Home / 2,080,205.40-3,120,308.10-660,372.60

Finding the Fourth Proportional to 2,080,205.40, 3,120,308.10 and 660,372.60

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Solution

The fourth proportional to 2,080,205.40, 3,120,308.10 and 660,372.60 is: 990,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,205.40 : 3,120,308.10 = 660,372.60 : x
  2. Step 2: Convert to fraction form
    2,080,205.40/3,120,308.10 = 660,372.60/x
  3. Step 3: Cross multiply
    2,080,205.40x = 3,120,308.10 × 660,372.60
  4. Step 4: Simplify right side
    2,080,205.40x = 2,060,565,972,798.06
  5. Step 5: Solve for x
    x = 2,060,565,972,798.06/2,080,205.40
  6. Step 6: Final answer
    x = 990,558.90

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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.