Home / 3,209,115.58-4,428,614.15-1,758,779.80

Finding the Fourth Proportional to 3,209,115.58, 4,428,614.15 and 1,758,779.80

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Solution

The fourth proportional to 3,209,115.58, 4,428,614.15 and 1,758,779.80 is: 2,427,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,115.58 : 4,428,614.15 = 1,758,779.80 : x
  2. Step 2: Convert to fraction form
    3,209,115.58/4,428,614.15 = 1,758,779.80/x
  3. Step 3: Cross multiply
    3,209,115.58x = 4,428,614.15 × 1,758,779.80
  4. Step 4: Simplify right side
    3,209,115.58x = 7,788,957,095,744.16
  5. Step 5: Solve for x
    x = 7,788,957,095,744.16/3,209,115.58
  6. Step 6: Final answer
    x = 2,427,135.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.