Home / 3,138,025.80-4,707,840.60-1,008,130.80

Finding the Fourth Proportional to 3,138,025.80, 4,707,840.60 and 1,008,130.80

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Solution

The fourth proportional to 3,138,025.80, 4,707,840.60 and 1,008,130.80 is: 1,512,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,025.80 : 4,707,840.60 = 1,008,130.80 : x
  2. Step 2: Convert to fraction form
    3,138,025.80/4,707,840.60 = 1,008,130.80/x
  3. Step 3: Cross multiply
    3,138,025.80x = 4,707,840.60 × 1,008,130.80
  4. Step 4: Simplify right side
    3,138,025.80x = 4,746,119,110,350.48
  5. Step 5: Solve for x
    x = 4,746,119,110,350.48/3,138,025.80
  6. Step 6: Final answer
    x = 1,512,453.82

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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.