Home / 1,678,441.80-2,517,680.16-1,343,610.89

Finding the Fourth Proportional to 1,678,441.80, 2,517,680.16 and 1,343,610.89

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Solution

The fourth proportional to 1,678,441.80, 2,517,680.16 and 1,343,610.89 is: 2,015,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,441.80 : 2,517,680.16 = 1,343,610.89 : x
  2. Step 2: Convert to fraction form
    1,678,441.80/2,517,680.16 = 1,343,610.89/x
  3. Step 3: Cross multiply
    1,678,441.80x = 2,517,680.16 × 1,343,610.89
  4. Step 4: Simplify right side
    1,678,441.80x = 3,382,782,480,512.94
  5. Step 5: Solve for x
    x = 3,382,782,480,512.94/1,678,441.80
  6. Step 6: Final answer
    x = 2,015,430.31

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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.