Home / 2,731,729.80-4,100,073.30-1,384,829.40

Finding the Fourth Proportional to 2,731,729.80, 4,100,073.30 and 1,384,829.40

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Solution

The fourth proportional to 2,731,729.80, 4,100,073.30 and 1,384,829.40 is: 2,078,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731,729.80 : 4,100,073.30 = 1,384,829.40 : x
  2. Step 2: Convert to fraction form
    2,731,729.80/4,100,073.30 = 1,384,829.40/x
  3. Step 3: Cross multiply
    2,731,729.80x = 4,100,073.30 × 1,384,829.40
  4. Step 4: Simplify right side
    2,731,729.80x = 5,677,902,047,995.02
  5. Step 5: Solve for x
    x = 5,677,902,047,995.02/2,731,729.80
  6. Step 6: Final answer
    x = 2,078,500.61

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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.