Home / 2,970,191.82-4,098,162.18-1,681,032.22

Finding the Fourth Proportional to 2,970,191.82, 4,098,162.18 and 1,681,032.22

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Solution

The fourth proportional to 2,970,191.82, 4,098,162.18 and 1,681,032.22 is: 2,319,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,191.82 : 4,098,162.18 = 1,681,032.22 : x
  2. Step 2: Convert to fraction form
    2,970,191.82/4,098,162.18 = 1,681,032.22/x
  3. Step 3: Cross multiply
    2,970,191.82x = 4,098,162.18 × 1,681,032.22
  4. Step 4: Simplify right side
    2,970,191.82x = 6,889,142,667,365.44
  5. Step 5: Solve for x
    x = 6,889,142,667,365.44/2,970,191.82
  6. Step 6: Final answer
    x = 2,319,426.85

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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.