Home / 3,442,482.12-5,158,999.20-2,178,046.20

Finding the Fourth Proportional to 3,442,482.12, 5,158,999.20 and 2,178,046.20

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Solution

The fourth proportional to 3,442,482.12, 5,158,999.20 and 2,178,046.20 is: 3,264,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442,482.12 : 5,158,999.20 = 2,178,046.20 : x
  2. Step 2: Convert to fraction form
    3,442,482.12/5,158,999.20 = 2,178,046.20/x
  3. Step 3: Cross multiply
    3,442,482.12x = 5,158,999.20 × 2,178,046.20
  4. Step 4: Simplify right side
    3,442,482.12x = 11,236,538,603,363.04
  5. Step 5: Solve for x
    x = 11,236,538,603,363.04/3,442,482.12
  6. Step 6: Final answer
    x = 3,264,080.45

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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.