Home / 3,826,808-5,280,995.04-2,107,923.20

Finding the Fourth Proportional to 3,826,808, 5,280,995.04 and 2,107,923.20

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Solution

The fourth proportional to 3,826,808, 5,280,995.04 and 2,107,923.20 is: 2,908,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,808 : 5,280,995.04 = 2,107,923.20 : x
  2. Step 2: Convert to fraction form
    3,826,808/5,280,995.04 = 2,107,923.20/x
  3. Step 3: Cross multiply
    3,826,808x = 5,280,995.04 × 2,107,923.20
  4. Step 4: Simplify right side
    3,826,808x = 11,131,931,963,900.93
  5. Step 5: Solve for x
    x = 11,131,931,963,900.93/3,826,808
  6. Step 6: Final answer
    x = 2,908,934.02

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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.