Home / 5,164,170.50-7,731,297.01-3,890,143.56

Finding the Fourth Proportional to 5,164,170.50, 7,731,297.01 and 3,890,143.56

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Solution

The fourth proportional to 5,164,170.50, 7,731,297.01 and 3,890,143.56 is: 5,823,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164,170.50 : 7,731,297.01 = 3,890,143.56 : x
  2. Step 2: Convert to fraction form
    5,164,170.50/7,731,297.01 = 3,890,143.56/x
  3. Step 3: Cross multiply
    5,164,170.50x = 7,731,297.01 × 3,890,143.56
  4. Step 4: Simplify right side
    5,164,170.50x = 30,075,855,273,898.75
  5. Step 5: Solve for x
    x = 30,075,855,273,898.75/5,164,170.50
  6. Step 6: Final answer
    x = 5,823,947.00

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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.