Home / 3,138,149.80-4,708,026.60-1,008,254.80

Finding the Fourth Proportional to 3,138,149.80, 4,708,026.60 and 1,008,254.80

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Solution

The fourth proportional to 3,138,149.80, 4,708,026.60 and 1,008,254.80 is: 1,512,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,149.80 : 4,708,026.60 = 1,008,254.80 : x
  2. Step 2: Convert to fraction form
    3,138,149.80/4,708,026.60 = 1,008,254.80/x
  3. Step 3: Cross multiply
    3,138,149.80x = 4,708,026.60 × 1,008,254.80
  4. Step 4: Simplify right side
    3,138,149.80x = 4,746,890,417,977.68
  5. Step 5: Solve for x
    x = 4,746,890,417,977.68/3,138,149.80
  6. Step 6: Final answer
    x = 1,512,639.84

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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.