Home / 1,970,449-2,719,218.90-1,065,031

Finding the Fourth Proportional to 1,970,449, 2,719,218.90 and 1,065,031

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Solution

The fourth proportional to 1,970,449, 2,719,218.90 and 1,065,031 is: 1,469,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,449 : 2,719,218.90 = 1,065,031 : x
  2. Step 2: Convert to fraction form
    1,970,449/2,719,218.90 = 1,065,031/x
  3. Step 3: Cross multiply
    1,970,449x = 2,719,218.90 × 1,065,031
  4. Step 4: Simplify right side
    1,970,449x = 2,896,052,424,285.90
  5. Step 5: Solve for x
    x = 2,896,052,424,285.90/1,970,449
  6. Step 6: Final answer
    x = 1,469,742.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.