Home / 3,420,704.88-4,721,070.96-1,970,118

Finding the Fourth Proportional to 3,420,704.88, 4,721,070.96 and 1,970,118

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Solution

The fourth proportional to 3,420,704.88, 4,721,070.96 and 1,970,118 is: 2,719,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,704.88 : 4,721,070.96 = 1,970,118 : x
  2. Step 2: Convert to fraction form
    3,420,704.88/4,721,070.96 = 1,970,118/x
  3. Step 3: Cross multiply
    3,420,704.88x = 4,721,070.96 × 1,970,118
  4. Step 4: Simplify right side
    3,420,704.88x = 9,301,066,877,573.28
  5. Step 5: Solve for x
    x = 9,301,066,877,573.28/3,420,704.88
  6. Step 6: Final answer
    x = 2,719,049.79

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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.