Home / 5,331,990.84-7,993,185.18-1,917,877.63

Finding the Fourth Proportional to 5,331,990.84, 7,993,185.18 and 1,917,877.63

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Solution

The fourth proportional to 5,331,990.84, 7,993,185.18 and 1,917,877.63 is: 2,875,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331,990.84 : 7,993,185.18 = 1,917,877.63 : x
  2. Step 2: Convert to fraction form
    5,331,990.84/7,993,185.18 = 1,917,877.63/x
  3. Step 3: Cross multiply
    5,331,990.84x = 7,993,185.18 × 1,917,877.63
  4. Step 4: Simplify right side
    5,331,990.84x = 15,329,951,049,169.52
  5. Step 5: Solve for x
    x = 15,329,951,049,169.52/5,331,990.84
  6. Step 6: Final answer
    x = 2,875,089.53

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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.