Home / 1,942,394.40-2,912,554.80-819,194.40

Finding the Fourth Proportional to 1,942,394.40, 2,912,554.80 and 819,194.40

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Solution

The fourth proportional to 1,942,394.40, 2,912,554.80 and 819,194.40 is: 1,228,354.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,394.40 : 2,912,554.80 = 819,194.40 : x
  2. Step 2: Convert to fraction form
    1,942,394.40/2,912,554.80 = 819,194.40/x
  3. Step 3: Cross multiply
    1,942,394.40x = 2,912,554.80 × 819,194.40
  4. Step 4: Simplify right side
    1,942,394.40x = 2,385,948,581,853.12
  5. Step 5: Solve for x
    x = 2,385,948,581,853.12/1,942,394.40
  6. Step 6: Final answer
    x = 1,228,354.34

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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.