Home / 3,781,820.13-5,672,779.55-1,257,475.38

Finding the Fourth Proportional to 3,781,820.13, 5,672,779.55 and 1,257,475.38

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Solution

The fourth proportional to 3,781,820.13, 5,672,779.55 and 1,257,475.38 is: 1,886,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,820.13 : 5,672,779.55 = 1,257,475.38 : x
  2. Step 2: Convert to fraction form
    3,781,820.13/5,672,779.55 = 1,257,475.38/x
  3. Step 3: Cross multiply
    3,781,820.13x = 5,672,779.55 × 1,257,475.38
  4. Step 4: Simplify right side
    3,781,820.13x = 7,133,380,620,292.48
  5. Step 5: Solve for x
    x = 7,133,380,620,292.48/3,781,820.13
  6. Step 6: Final answer
    x = 1,886,229.48

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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.