Home / 2,589,127.80-3,883,068.90-1,326,305.40

Finding the Fourth Proportional to 2,589,127.80, 3,883,068.90 and 1,326,305.40

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Solution

The fourth proportional to 2,589,127.80, 3,883,068.90 and 1,326,305.40 is: 1,989,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,127.80 : 3,883,068.90 = 1,326,305.40 : x
  2. Step 2: Convert to fraction form
    2,589,127.80/3,883,068.90 = 1,326,305.40/x
  3. Step 3: Cross multiply
    2,589,127.80x = 3,883,068.90 × 1,326,305.40
  4. Step 4: Simplify right side
    2,589,127.80x = 5,150,135,250,642.06
  5. Step 5: Solve for x
    x = 5,150,135,250,642.06/2,589,127.80
  6. Step 6: Final answer
    x = 1,989,139.06

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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.