Home / 2,005,135.92-2,766,360.51-1,317,178.22

Finding the Fourth Proportional to 2,005,135.92, 2,766,360.51 and 1,317,178.22

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Solution

The fourth proportional to 2,005,135.92, 2,766,360.51 and 1,317,178.22 is: 1,817,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,135.92 : 2,766,360.51 = 1,317,178.22 : x
  2. Step 2: Convert to fraction form
    2,005,135.92/2,766,360.51 = 1,317,178.22/x
  3. Step 3: Cross multiply
    2,005,135.92x = 2,766,360.51 × 1,317,178.22
  4. Step 4: Simplify right side
    2,005,135.92x = 3,643,789,798,608.29
  5. Step 5: Solve for x
    x = 3,643,789,798,608.29/2,005,135.92
  6. Step 6: Final answer
    x = 1,817,228.33

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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.