Home / 2,078,133.20-3,116,969.40-1,703,502.80

Finding the Fourth Proportional to 2,078,133.20, 3,116,969.40 and 1,703,502.80

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Solution

The fourth proportional to 2,078,133.20, 3,116,969.40 and 1,703,502.80 is: 2,555,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,133.20 : 3,116,969.40 = 1,703,502.80 : x
  2. Step 2: Convert to fraction form
    2,078,133.20/3,116,969.40 = 1,703,502.80/x
  3. Step 3: Cross multiply
    2,078,133.20x = 3,116,969.40 × 1,703,502.80
  4. Step 4: Simplify right side
    2,078,133.20x = 5,309,766,100,414.32
  5. Step 5: Solve for x
    x = 5,309,766,100,414.32/2,078,133.20
  6. Step 6: Final answer
    x = 2,555,065.33

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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.