Home / 2,589,130.80-3,883,073.40-1,326,308.40

Finding the Fourth Proportional to 2,589,130.80, 3,883,073.40 and 1,326,308.40

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Solution

The fourth proportional to 2,589,130.80, 3,883,073.40 and 1,326,308.40 is: 1,989,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,130.80 : 3,883,073.40 = 1,326,308.40 : x
  2. Step 2: Convert to fraction form
    2,589,130.80/3,883,073.40 = 1,326,308.40/x
  3. Step 3: Cross multiply
    2,589,130.80x = 3,883,073.40 × 1,326,308.40
  4. Step 4: Simplify right side
    2,589,130.80x = 5,150,152,868,236.56
  5. Step 5: Solve for x
    x = 5,150,152,868,236.56/2,589,130.80
  6. Step 6: Final answer
    x = 1,989,143.56

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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.