Home / 2,878,216.20-3,971,859.30-1,589,033.16

Finding the Fourth Proportional to 2,878,216.20, 3,971,859.30 and 1,589,033.16

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Solution

The fourth proportional to 2,878,216.20, 3,971,859.30 and 1,589,033.16 is: 2,192,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,216.20 : 3,971,859.30 = 1,589,033.16 : x
  2. Step 2: Convert to fraction form
    2,878,216.20/3,971,859.30 = 1,589,033.16/x
  3. Step 3: Cross multiply
    2,878,216.20x = 3,971,859.30 × 1,589,033.16
  4. Step 4: Simplify right side
    2,878,216.20x = 6,311,416,134,554.39
  5. Step 5: Solve for x
    x = 6,311,416,134,554.39/2,878,216.20
  6. Step 6: Final answer
    x = 2,192,822.11

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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.