Home / 1,720,374.24-2,372,940.72-1,577,606.88

Finding the Fourth Proportional to 1,720,374.24, 2,372,940.72 and 1,577,606.88

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Solution

The fourth proportional to 1,720,374.24, 2,372,940.72 and 1,577,606.88 is: 2,176,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,374.24 : 2,372,940.72 = 1,577,606.88 : x
  2. Step 2: Convert to fraction form
    1,720,374.24/2,372,940.72 = 1,577,606.88/x
  3. Step 3: Cross multiply
    1,720,374.24x = 2,372,940.72 × 1,577,606.88
  4. Step 4: Simplify right side
    1,720,374.24x = 3,743,567,605,704.15
  5. Step 5: Solve for x
    x = 3,743,567,605,704.15/1,720,374.24
  6. Step 6: Final answer
    x = 2,176,019.33

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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.