Home / 3,005,452.80-4,147,761.06-1,859,902.20

Finding the Fourth Proportional to 3,005,452.80, 4,147,761.06 and 1,859,902.20

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Solution

The fourth proportional to 3,005,452.80, 4,147,761.06 and 1,859,902.20 is: 2,566,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,452.80 : 4,147,761.06 = 1,859,902.20 : x
  2. Step 2: Convert to fraction form
    3,005,452.80/4,147,761.06 = 1,859,902.20/x
  3. Step 3: Cross multiply
    3,005,452.80x = 4,147,761.06 × 1,859,902.20
  4. Step 4: Simplify right side
    3,005,452.80x = 7,714,429,920,568.33
  5. Step 5: Solve for x
    x = 7,714,429,920,568.33/3,005,452.80
  6. Step 6: Final answer
    x = 2,566,811.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.