Home / 2,955,980.88-4,079,374.56-1,867,855.38

Finding the Fourth Proportional to 2,955,980.88, 4,079,374.56 and 1,867,855.38

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Solution

The fourth proportional to 2,955,980.88, 4,079,374.56 and 1,867,855.38 is: 2,577,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955,980.88 : 4,079,374.56 = 1,867,855.38 : x
  2. Step 2: Convert to fraction form
    2,955,980.88/4,079,374.56 = 1,867,855.38/x
  3. Step 3: Cross multiply
    2,955,980.88x = 4,079,374.56 × 1,867,855.38
  4. Step 4: Simplify right side
    2,955,980.88x = 7,619,681,718,931.13
  5. Step 5: Solve for x
    x = 7,619,681,718,931.13/2,955,980.88
  6. Step 6: Final answer
    x = 2,577,716.85

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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.