Home / 2,087,872.20-3,131,808.30-1,424,320.20

Finding the Fourth Proportional to 2,087,872.20, 3,131,808.30 and 1,424,320.20

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Solution

The fourth proportional to 2,087,872.20, 3,131,808.30 and 1,424,320.20 is: 2,136,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,872.20 : 3,131,808.30 = 1,424,320.20 : x
  2. Step 2: Convert to fraction form
    2,087,872.20/3,131,808.30 = 1,424,320.20/x
  3. Step 3: Cross multiply
    2,087,872.20x = 3,131,808.30 × 1,424,320.20
  4. Step 4: Simplify right side
    2,087,872.20x = 4,460,697,824,217.66
  5. Step 5: Solve for x
    x = 4,460,697,824,217.66/2,087,872.20
  6. Step 6: Final answer
    x = 2,136,480.30

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1.5x scale

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.