Home / 3,138,164.80-4,704,914.40-1,719,822.40

Finding the Fourth Proportional to 3,138,164.80, 4,704,914.40 and 1,719,822.40

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Solution

The fourth proportional to 3,138,164.80, 4,704,914.40 and 1,719,822.40 is: 2,578,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,164.80 : 4,704,914.40 = 1,719,822.40 : x
  2. Step 2: Convert to fraction form
    3,138,164.80/4,704,914.40 = 1,719,822.40/x
  3. Step 3: Cross multiply
    3,138,164.80x = 4,704,914.40 × 1,719,822.40
  4. Step 4: Simplify right side
    3,138,164.80x = 8,091,617,175,202.56
  5. Step 5: Solve for x
    x = 8,091,617,175,202.56/3,138,164.80
  6. Step 6: Final answer
    x = 2,578,455.15

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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.