Home / 1,963,411.84-2,945,121.92-543,472

Finding the Fourth Proportional to 1,963,411.84, 2,945,121.92 and 543,472

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Solution

The fourth proportional to 1,963,411.84, 2,945,121.92 and 543,472 is: 815,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,411.84 : 2,945,121.92 = 543,472 : x
  2. Step 2: Convert to fraction form
    1,963,411.84/2,945,121.92 = 543,472/x
  3. Step 3: Cross multiply
    1,963,411.84x = 2,945,121.92 × 543,472
  4. Step 4: Simplify right side
    1,963,411.84x = 1,600,591,300,106.24
  5. Step 5: Solve for x
    x = 1,600,591,300,106.24/1,963,411.84
  6. Step 6: Final answer
    x = 815,209.15

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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.