Home / 3,527,390.79-4,867,851.06-1,978,994.79

Finding the Fourth Proportional to 3,527,390.79, 4,867,851.06 and 1,978,994.79

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Solution

The fourth proportional to 3,527,390.79, 4,867,851.06 and 1,978,994.79 is: 2,731,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,527,390.79 : 4,867,851.06 = 1,978,994.79 : x
  2. Step 2: Convert to fraction form
    3,527,390.79/4,867,851.06 = 1,978,994.79/x
  3. Step 3: Cross multiply
    3,527,390.79x = 4,867,851.06 × 1,978,994.79
  4. Step 4: Simplify right side
    3,527,390.79x = 9,633,451,886,235.98
  5. Step 5: Solve for x
    x = 9,633,451,886,235.98/3,527,390.79
  6. Step 6: Final answer
    x = 2,731,041.85

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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.