Home / 1,864,756.80-2,794,510.80-1,381,211.10

Finding the Fourth Proportional to 1,864,756.80, 2,794,510.80 and 1,381,211.10

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Solution

The fourth proportional to 1,864,756.80, 2,794,510.80 and 1,381,211.10 is: 2,069,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,756.80 : 2,794,510.80 = 1,381,211.10 : x
  2. Step 2: Convert to fraction form
    1,864,756.80/2,794,510.80 = 1,381,211.10/x
  3. Step 3: Cross multiply
    1,864,756.80x = 2,794,510.80 × 1,381,211.10
  4. Step 4: Simplify right side
    1,864,756.80x = 3,859,809,336,029.88
  5. Step 5: Solve for x
    x = 3,859,809,336,029.88/1,864,756.80
  6. Step 6: Final answer
    x = 2,069,872.78

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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.