Home / 2,682,117.60-4,023,176.40-660,345.45

Finding the Fourth Proportional to 2,682,117.60, 4,023,176.40 and 660,345.45

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Solution

The fourth proportional to 2,682,117.60, 4,023,176.40 and 660,345.45 is: 990,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682,117.60 : 4,023,176.40 = 660,345.45 : x
  2. Step 2: Convert to fraction form
    2,682,117.60/4,023,176.40 = 660,345.45/x
  3. Step 3: Cross multiply
    2,682,117.60x = 4,023,176.40 × 660,345.45
  4. Step 4: Simplify right side
    2,682,117.60x = 2,656,686,230,287.38
  5. Step 5: Solve for x
    x = 2,656,686,230,287.38/2,682,117.60
  6. Step 6: Final answer
    x = 990,518.18

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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.