Home / 2,305,478.40-3,181,610.76-1,272,983.40

Finding the Fourth Proportional to 2,305,478.40, 3,181,610.76 and 1,272,983.40

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Solution

The fourth proportional to 2,305,478.40, 3,181,610.76 and 1,272,983.40 is: 1,756,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,478.40 : 3,181,610.76 = 1,272,983.40 : x
  2. Step 2: Convert to fraction form
    2,305,478.40/3,181,610.76 = 1,272,983.40/x
  3. Step 3: Cross multiply
    2,305,478.40x = 3,181,610.76 × 1,272,983.40
  4. Step 4: Simplify right side
    2,305,478.40x = 4,050,137,682,741.38
  5. Step 5: Solve for x
    x = 4,050,137,682,741.38/2,305,478.40
  6. Step 6: Final answer
    x = 1,756,745.01

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1.5x scale

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.