Home / 3,813,146.44-5,261,937.06-2,181,378.76

Finding the Fourth Proportional to 3,813,146.44, 5,261,937.06 and 2,181,378.76

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Solution

The fourth proportional to 3,813,146.44, 5,261,937.06 and 2,181,378.76 is: 3,010,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813,146.44 : 5,261,937.06 = 2,181,378.76 : x
  2. Step 2: Convert to fraction form
    3,813,146.44/5,261,937.06 = 2,181,378.76/x
  3. Step 3: Cross multiply
    3,813,146.44x = 5,261,937.06 × 2,181,378.76
  4. Step 4: Simplify right side
    3,813,146.44x = 11,478,277,739,140.84
  5. Step 5: Solve for x
    x = 11,478,277,739,140.84/3,813,146.44
  6. Step 6: Final answer
    x = 3,010,185.40

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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.