Home / 1,889,763.40-2,834,645.10-1,861,769.80

Finding the Fourth Proportional to 1,889,763.40, 2,834,645.10 and 1,861,769.80

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Solution

The fourth proportional to 1,889,763.40, 2,834,645.10 and 1,861,769.80 is: 2,792,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,763.40 : 2,834,645.10 = 1,861,769.80 : x
  2. Step 2: Convert to fraction form
    1,889,763.40/2,834,645.10 = 1,861,769.80/x
  3. Step 3: Cross multiply
    1,889,763.40x = 2,834,645.10 × 1,861,769.80
  4. Step 4: Simplify right side
    1,889,763.40x = 5,277,456,640,897.98
  5. Step 5: Solve for x
    x = 5,277,456,640,897.98/1,889,763.40
  6. Step 6: Final answer
    x = 2,792,654.70

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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.