Home / 1,781,334.20-2,678,222.10-1,744,009.40

Finding the Fourth Proportional to 1,781,334.20, 2,678,222.10 and 1,744,009.40

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Solution

The fourth proportional to 1,781,334.20, 2,678,222.10 and 1,744,009.40 is: 2,622,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,334.20 : 2,678,222.10 = 1,744,009.40 : x
  2. Step 2: Convert to fraction form
    1,781,334.20/2,678,222.10 = 1,744,009.40/x
  3. Step 3: Cross multiply
    1,781,334.20x = 2,678,222.10 × 1,744,009.40
  4. Step 4: Simplify right side
    1,781,334.20x = 4,670,844,517,687.74
  5. Step 5: Solve for x
    x = 4,670,844,517,687.74/1,781,334.20
  6. Step 6: Final answer
    x = 2,622,104.55

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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.