Home / 5,451,707.80-8,177,561.70-1,665,184.60

Finding the Fourth Proportional to 5,451,707.80, 8,177,561.70 and 1,665,184.60

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Solution

The fourth proportional to 5,451,707.80, 8,177,561.70 and 1,665,184.60 is: 2,497,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451,707.80 : 8,177,561.70 = 1,665,184.60 : x
  2. Step 2: Convert to fraction form
    5,451,707.80/8,177,561.70 = 1,665,184.60/x
  3. Step 3: Cross multiply
    5,451,707.80x = 8,177,561.70 × 1,665,184.60
  4. Step 4: Simplify right side
    5,451,707.80x = 13,617,149,808,389.82
  5. Step 5: Solve for x
    x = 13,617,149,808,389.82/5,451,707.80
  6. Step 6: Final answer
    x = 2,497,776.90

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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.