Home / 1,977,617.43-2,729,165.81-1,118,306.25

Finding the Fourth Proportional to 1,977,617.43, 2,729,165.81 and 1,118,306.25

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Solution

The fourth proportional to 1,977,617.43, 2,729,165.81 and 1,118,306.25 is: 1,543,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,617.43 : 2,729,165.81 = 1,118,306.25 : x
  2. Step 2: Convert to fraction form
    1,977,617.43/2,729,165.81 = 1,118,306.25/x
  3. Step 3: Cross multiply
    1,977,617.43x = 2,729,165.81 × 1,118,306.25
  4. Step 4: Simplify right side
    1,977,617.43x = 3,052,043,177,017.78
  5. Step 5: Solve for x
    x = 3,052,043,177,017.78/1,977,617.43
  6. Step 6: Final answer
    x = 1,543,293.02

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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.