Home / 5,451,806.70-8,177,637.15-1,665,307.80

Finding the Fourth Proportional to 5,451,806.70, 8,177,637.15 and 1,665,307.80

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Solution

The fourth proportional to 5,451,806.70, 8,177,637.15 and 1,665,307.80 is: 2,497,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,806.70 : 8,177,637.15 = 1,665,307.80 : x
  2. Step 2: Convert to fraction form
    5,451,806.70/8,177,637.15 = 1,665,307.80/x
  3. Step 3: Cross multiply
    5,451,806.70x = 8,177,637.15 × 1,665,307.80
  4. Step 4: Simplify right side
    5,451,806.70x = 13,618,282,931,464.77
  5. Step 5: Solve for x
    x = 13,618,282,931,464.77/5,451,806.70
  6. Step 6: Final answer
    x = 2,497,939.43

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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.