Home / 1,866,580.30-2,801,365.80-856,178.74

Finding the Fourth Proportional to 1,866,580.30, 2,801,365.80 and 856,178.74

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Solution

The fourth proportional to 1,866,580.30, 2,801,365.80 and 856,178.74 is: 1,284,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,580.30 : 2,801,365.80 = 856,178.74 : x
  2. Step 2: Convert to fraction form
    1,866,580.30/2,801,365.80 = 856,178.74/x
  3. Step 3: Cross multiply
    1,866,580.30x = 2,801,365.80 × 856,178.74
  4. Step 4: Simplify right side
    1,866,580.30x = 2,398,469,840,923.09
  5. Step 5: Solve for x
    x = 2,398,469,840,923.09/1,866,580.30
  6. Step 6: Final answer
    x = 1,284,954.01

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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.