Home / 2,980,596.11-4,112,988.13-1,691,436.49

Finding the Fourth Proportional to 2,980,596.11, 4,112,988.13 and 1,691,436.49

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Solution

The fourth proportional to 2,980,596.11, 4,112,988.13 and 1,691,436.49 is: 2,334,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,596.11 : 4,112,988.13 = 1,691,436.49 : x
  2. Step 2: Convert to fraction form
    2,980,596.11/4,112,988.13 = 1,691,436.49/x
  3. Step 3: Cross multiply
    2,980,596.11x = 4,112,988.13 × 1,691,436.49
  4. Step 4: Simplify right side
    2,980,596.11x = 6,956,858,206,018.86
  5. Step 5: Solve for x
    x = 6,956,858,206,018.86/2,980,596.11
  6. Step 6: Final answer
    x = 2,334,049.28

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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.