Home / 2,682,078.60-4,023,117.90-660,306.45

Finding the Fourth Proportional to 2,682,078.60, 4,023,117.90 and 660,306.45

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Solution

The fourth proportional to 2,682,078.60, 4,023,117.90 and 660,306.45 is: 990,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,078.60 : 4,023,117.90 = 660,306.45 : x
  2. Step 2: Convert to fraction form
    2,682,078.60/4,023,117.90 = 660,306.45/x
  3. Step 3: Cross multiply
    2,682,078.60x = 4,023,117.90 × 660,306.45
  4. Step 4: Simplify right side
    2,682,078.60x = 2,656,490,698,480.45
  5. Step 5: Solve for x
    x = 2,656,490,698,480.45/2,682,078.60
  6. Step 6: Final answer
    x = 990,459.68

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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.