Home / 3,458,853.61-5,191,428.82-1,840,980.72

Finding the Fourth Proportional to 3,458,853.61, 5,191,428.82 and 1,840,980.72

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Solution

The fourth proportional to 3,458,853.61, 5,191,428.82 and 1,840,980.72 is: 2,763,146.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,853.61 : 5,191,428.82 = 1,840,980.72 : x
  2. Step 2: Convert to fraction form
    3,458,853.61/5,191,428.82 = 1,840,980.72/x
  3. Step 3: Cross multiply
    3,458,853.61x = 5,191,428.82 × 1,840,980.72
  4. Step 4: Simplify right side
    3,458,853.61x = 9,557,320,358,081.84
  5. Step 5: Solve for x
    x = 9,557,320,358,081.84/3,458,853.61
  6. Step 6: Final answer
    x = 2,763,146.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.