Home / 3,485,013.80-5,227,779.90-1,240,860.20

Finding the Fourth Proportional to 3,485,013.80, 5,227,779.90 and 1,240,860.20

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Solution

The fourth proportional to 3,485,013.80, 5,227,779.90 and 1,240,860.20 is: 1,861,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,013.80 : 5,227,779.90 = 1,240,860.20 : x
  2. Step 2: Convert to fraction form
    3,485,013.80/5,227,779.90 = 1,240,860.20/x
  3. Step 3: Cross multiply
    3,485,013.80x = 5,227,779.90 × 1,240,860.20
  4. Step 4: Simplify right side
    3,485,013.80x = 6,486,944,012,269.98
  5. Step 5: Solve for x
    x = 6,486,944,012,269.98/3,485,013.80
  6. Step 6: Final answer
    x = 1,861,382.59

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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.