Home / 1,942,506.70-2,912,204.85-819,652.30

Finding the Fourth Proportional to 1,942,506.70, 2,912,204.85 and 819,652.30

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Solution

The fourth proportional to 1,942,506.70, 2,912,204.85 and 819,652.30 is: 1,228,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,506.70 : 2,912,204.85 = 819,652.30 : x
  2. Step 2: Convert to fraction form
    1,942,506.70/2,912,204.85 = 819,652.30/x
  3. Step 3: Cross multiply
    1,942,506.70x = 2,912,204.85 × 819,652.30
  4. Step 4: Simplify right side
    1,942,506.70x = 2,386,995,403,373.66
  5. Step 5: Solve for x
    x = 2,386,995,403,373.66/1,942,506.70
  6. Step 6: Final answer
    x = 1,228,822.22

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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.