Home / 2,077,507.86-3,115,949.40-657,379.14

Finding the Fourth Proportional to 2,077,507.86, 3,115,949.40 and 657,379.14

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Solution

The fourth proportional to 2,077,507.86, 3,115,949.40 and 657,379.14 is: 985,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,507.86 : 3,115,949.40 = 657,379.14 : x
  2. Step 2: Convert to fraction form
    2,077,507.86/3,115,949.40 = 657,379.14/x
  3. Step 3: Cross multiply
    2,077,507.86x = 3,115,949.40 × 657,379.14
  4. Step 4: Simplify right side
    2,077,507.86x = 2,048,360,125,778.75
  5. Step 5: Solve for x
    x = 2,048,360,125,778.75/2,077,507.86
  6. Step 6: Final answer
    x = 985,969.86

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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.