Home / 2,931,879.60-4,397,673.60-1,512,079.20

Finding the Fourth Proportional to 2,931,879.60, 4,397,673.60 and 1,512,079.20

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Solution

The fourth proportional to 2,931,879.60, 4,397,673.60 and 1,512,079.20 is: 2,268,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,879.60 : 4,397,673.60 = 1,512,079.20 : x
  2. Step 2: Convert to fraction form
    2,931,879.60/4,397,673.60 = 1,512,079.20/x
  3. Step 3: Cross multiply
    2,931,879.60x = 4,397,673.60 × 1,512,079.20
  4. Step 4: Simplify right side
    2,931,879.60x = 6,649,630,778,949.12
  5. Step 5: Solve for x
    x = 6,649,630,778,949.12/2,931,879.60
  6. Step 6: Final answer
    x = 2,268,043.61

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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.