Home / 2,080,356.40-3,120,534.60-660,523.60

Finding the Fourth Proportional to 2,080,356.40, 3,120,534.60 and 660,523.60

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Solution

The fourth proportional to 2,080,356.40, 3,120,534.60 and 660,523.60 is: 990,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,356.40 : 3,120,534.60 = 660,523.60 : x
  2. Step 2: Convert to fraction form
    2,080,356.40/3,120,534.60 = 660,523.60/x
  3. Step 3: Cross multiply
    2,080,356.40x = 3,120,534.60 × 660,523.60
  4. Step 4: Simplify right side
    2,080,356.40x = 2,061,186,747,916.56
  5. Step 5: Solve for x
    x = 2,061,186,747,916.56/2,080,356.40
  6. Step 6: Final answer
    x = 990,785.40

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1.5x scale

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.