Home / 1,919,605.80-2,649,005.32-1,060,147.56

Finding the Fourth Proportional to 1,919,605.80, 2,649,005.32 and 1,060,147.56

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Solution

The fourth proportional to 1,919,605.80, 2,649,005.32 and 1,060,147.56 is: 1,462,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,605.80 : 2,649,005.32 = 1,060,147.56 : x
  2. Step 2: Convert to fraction form
    1,919,605.80/2,649,005.32 = 1,060,147.56/x
  3. Step 3: Cross multiply
    1,919,605.80x = 2,649,005.32 × 1,060,147.56
  4. Step 4: Simplify right side
    1,919,605.80x = 2,808,336,526,425.02
  5. Step 5: Solve for x
    x = 2,808,336,526,425.02/1,919,605.80
  6. Step 6: Final answer
    x = 1,462,975.64

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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.