Home / 1,869,131.28-2,809,549.42-1,233,519.59

Finding the Fourth Proportional to 1,869,131.28, 2,809,549.42 and 1,233,519.59

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Solution

The fourth proportional to 1,869,131.28, 2,809,549.42 and 1,233,519.59 is: 1,854,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,131.28 : 2,809,549.42 = 1,233,519.59 : x
  2. Step 2: Convert to fraction form
    1,869,131.28/2,809,549.42 = 1,233,519.59/x
  3. Step 3: Cross multiply
    1,869,131.28x = 2,809,549.42 × 1,233,519.59
  4. Step 4: Simplify right side
    1,869,131.28x = 3,465,634,248,643.14
  5. Step 5: Solve for x
    x = 3,465,634,248,643.14/1,869,131.28
  6. Step 6: Final answer
    x = 1,854,141.70

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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.