Home / 2,970,198.79-4,098,171.79-1,681,039.14

Finding the Fourth Proportional to 2,970,198.79, 4,098,171.79 and 1,681,039.14

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Solution

The fourth proportional to 2,970,198.79, 4,098,171.79 and 1,681,039.14 is: 2,319,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970,198.79 : 4,098,171.79 = 1,681,039.14 : x
  2. Step 2: Convert to fraction form
    2,970,198.79/4,098,171.79 = 1,681,039.14/x
  3. Step 3: Cross multiply
    2,970,198.79x = 4,098,171.79 × 1,681,039.14
  4. Step 4: Simplify right side
    2,970,198.79x = 6,889,187,181,433.86
  5. Step 5: Solve for x
    x = 6,889,187,181,433.86/2,970,198.79
  6. Step 6: Final answer
    x = 2,319,436.40

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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.