Home / 5,177,890.44-7,766,828.98-1,391,373.36

Finding the Fourth Proportional to 5,177,890.44, 7,766,828.98 and 1,391,373.36

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Solution

The fourth proportional to 5,177,890.44, 7,766,828.98 and 1,391,373.36 is: 2,087,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,890.44 : 7,766,828.98 = 1,391,373.36 : x
  2. Step 2: Convert to fraction form
    5,177,890.44/7,766,828.98 = 1,391,373.36/x
  3. Step 3: Cross multiply
    5,177,890.44x = 7,766,828.98 × 1,391,373.36
  4. Step 4: Simplify right side
    5,177,890.44x = 10,806,558,934,447.97
  5. Step 5: Solve for x
    x = 10,806,558,934,447.97/5,177,890.44
  6. Step 6: Final answer
    x = 2,087,058.24

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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.