Home / 5,168,727.28-7,753,090.42-1,382,111.74

Finding the Fourth Proportional to 5,168,727.28, 7,753,090.42 and 1,382,111.74

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Solution

The fourth proportional to 5,168,727.28, 7,753,090.42 and 1,382,111.74 is: 2,073,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,727.28 : 7,753,090.42 = 1,382,111.74 : x
  2. Step 2: Convert to fraction form
    5,168,727.28/7,753,090.42 = 1,382,111.74/x
  3. Step 3: Cross multiply
    5,168,727.28x = 7,753,090.42 × 1,382,111.74
  4. Step 4: Simplify right side
    5,168,727.28x = 10,715,637,290,763.53
  5. Step 5: Solve for x
    x = 10,715,637,290,763.53/5,168,727.28
  6. Step 6: Final answer
    x = 2,073,167.48

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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.