Home / 2,867,811.30-3,957,578.46-1,578,645

Finding the Fourth Proportional to 2,867,811.30, 3,957,578.46 and 1,578,645

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Solution

The fourth proportional to 2,867,811.30, 3,957,578.46 and 1,578,645 is: 2,178,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,811.30 : 3,957,578.46 = 1,578,645 : x
  2. Step 2: Convert to fraction form
    2,867,811.30/3,957,578.46 = 1,578,645/x
  3. Step 3: Cross multiply
    2,867,811.30x = 3,957,578.46 × 1,578,645
  4. Step 4: Simplify right side
    2,867,811.30x = 6,247,611,447,986.70
  5. Step 5: Solve for x
    x = 6,247,611,447,986.70/2,867,811.30
  6. Step 6: Final answer
    x = 2,178,529.48

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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.