Home / 1,942,356.40-2,912,497.80-819,156.40

Finding the Fourth Proportional to 1,942,356.40, 2,912,497.80 and 819,156.40

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Solution

The fourth proportional to 1,942,356.40, 2,912,497.80 and 819,156.40 is: 1,228,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,356.40 : 2,912,497.80 = 819,156.40 : x
  2. Step 2: Convert to fraction form
    1,942,356.40/2,912,497.80 = 819,156.40/x
  3. Step 3: Cross multiply
    1,942,356.40x = 2,912,497.80 × 819,156.40
  4. Step 4: Simplify right side
    1,942,356.40x = 2,385,791,212,855.92
  5. Step 5: Solve for x
    x = 2,385,791,212,855.92/1,942,356.40
  6. Step 6: Final answer
    x = 1,228,297.35

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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.