Home / 2,129,167.40-3,193,751.10-2,045,186.60

Finding the Fourth Proportional to 2,129,167.40, 3,193,751.10 and 2,045,186.60

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Solution

The fourth proportional to 2,129,167.40, 3,193,751.10 and 2,045,186.60 is: 3,067,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,167.40 : 3,193,751.10 = 2,045,186.60 : x
  2. Step 2: Convert to fraction form
    2,129,167.40/3,193,751.10 = 2,045,186.60/x
  3. Step 3: Cross multiply
    2,129,167.40x = 3,193,751.10 × 2,045,186.60
  4. Step 4: Simplify right side
    2,129,167.40x = 6,531,816,953,455.26
  5. Step 5: Solve for x
    x = 6,531,816,953,455.26/2,129,167.40
  6. Step 6: Final answer
    x = 3,067,779.90

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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.