Home / 3,691,436.73-5,093,421.95-2,121,264.89

Finding the Fourth Proportional to 3,691,436.73, 5,093,421.95 and 2,121,264.89

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Solution

The fourth proportional to 3,691,436.73, 5,093,421.95 and 2,121,264.89 is: 2,926,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691,436.73 : 5,093,421.95 = 2,121,264.89 : x
  2. Step 2: Convert to fraction form
    3,691,436.73/5,093,421.95 = 2,121,264.89/x
  3. Step 3: Cross multiply
    3,691,436.73x = 5,093,421.95 × 2,121,264.89
  4. Step 4: Simplify right side
    3,691,436.73x = 10,804,497,151,426.72
  5. Step 5: Solve for x
    x = 10,804,497,151,426.72/3,691,436.73
  6. Step 6: Final answer
    x = 2,926,908.40

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1.5x scale

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.