Home / 3,619,617.12-5,428,528.56-1,223,408.88

Finding the Fourth Proportional to 3,619,617.12, 5,428,528.56 and 1,223,408.88

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Solution

The fourth proportional to 3,619,617.12, 5,428,528.56 and 1,223,408.88 is: 1,834,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619,617.12 : 5,428,528.56 = 1,223,408.88 : x
  2. Step 2: Convert to fraction form
    3,619,617.12/5,428,528.56 = 1,223,408.88/x
  3. Step 3: Cross multiply
    3,619,617.12x = 5,428,528.56 × 1,223,408.88
  4. Step 4: Simplify right side
    3,619,617.12x = 6,641,310,045,637.61
  5. Step 5: Solve for x
    x = 6,641,310,045,637.61/3,619,617.12
  6. Step 6: Final answer
    x = 1,834,810.10

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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.