Home / 2,708,931.31-3,738,305.45-1,485,216.65

Finding the Fourth Proportional to 2,708,931.31, 3,738,305.45 and 1,485,216.65

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Solution

The fourth proportional to 2,708,931.31, 3,738,305.45 and 1,485,216.65 is: 2,049,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708,931.31 : 3,738,305.45 = 1,485,216.65 : x
  2. Step 2: Convert to fraction form
    2,708,931.31/3,738,305.45 = 1,485,216.65/x
  3. Step 3: Cross multiply
    2,708,931.31x = 3,738,305.45 × 1,485,216.65
  4. Step 4: Simplify right side
    2,708,931.31x = 5,552,193,493,412.70
  5. Step 5: Solve for x
    x = 5,552,193,493,412.70/2,708,931.31
  6. Step 6: Final answer
    x = 2,049,588.14

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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.