Home / 1,942,499.70-2,912,194.35-819,645.30

Finding the Fourth Proportional to 1,942,499.70, 2,912,194.35 and 819,645.30

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Solution

The fourth proportional to 1,942,499.70, 2,912,194.35 and 819,645.30 is: 1,228,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,499.70 : 2,912,194.35 = 819,645.30 : x
  2. Step 2: Convert to fraction form
    1,942,499.70/2,912,194.35 = 819,645.30/x
  3. Step 3: Cross multiply
    1,942,499.70x = 2,912,194.35 × 819,645.30
  4. Step 4: Simplify right side
    1,942,499.70x = 2,386,966,411,664.06
  5. Step 5: Solve for x
    x = 2,386,966,411,664.06/1,942,499.70
  6. Step 6: Final answer
    x = 1,228,811.73

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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.