Home / 2,060,986.60-3,091,479.90-1,687,431.40

Finding the Fourth Proportional to 2,060,986.60, 3,091,479.90 and 1,687,431.40

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Solution

The fourth proportional to 2,060,986.60, 3,091,479.90 and 1,687,431.40 is: 2,531,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060,986.60 : 3,091,479.90 = 1,687,431.40 : x
  2. Step 2: Convert to fraction form
    2,060,986.60/3,091,479.90 = 1,687,431.40/x
  3. Step 3: Cross multiply
    2,060,986.60x = 3,091,479.90 × 1,687,431.40
  4. Step 4: Simplify right side
    2,060,986.60x = 5,216,660,255,728.86
  5. Step 5: Solve for x
    x = 5,216,660,255,728.86/2,060,986.60
  6. Step 6: Final answer
    x = 2,531,147.10

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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.