Home / 1,819,822.74-2,727,520.35-1,287,497.22

Finding the Fourth Proportional to 1,819,822.74, 2,727,520.35 and 1,287,497.22

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Solution

The fourth proportional to 1,819,822.74, 2,727,520.35 and 1,287,497.22 is: 1,929,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,822.74 : 2,727,520.35 = 1,287,497.22 : x
  2. Step 2: Convert to fraction form
    1,819,822.74/2,727,520.35 = 1,287,497.22/x
  3. Step 3: Cross multiply
    1,819,822.74x = 2,727,520.35 × 1,287,497.22
  4. Step 4: Simplify right side
    1,819,822.74x = 3,511,674,868,118.43
  5. Step 5: Solve for x
    x = 3,511,674,868,118.43/1,819,822.74
  6. Step 6: Final answer
    x = 1,929,679.63

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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.