Home / 2,180,411.40-3,270,617.10-1,424,584.20

Finding the Fourth Proportional to 2,180,411.40, 3,270,617.10 and 1,424,584.20

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Solution

The fourth proportional to 2,180,411.40, 3,270,617.10 and 1,424,584.20 is: 2,136,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,411.40 : 3,270,617.10 = 1,424,584.20 : x
  2. Step 2: Convert to fraction form
    2,180,411.40/3,270,617.10 = 1,424,584.20/x
  3. Step 3: Cross multiply
    2,180,411.40x = 3,270,617.10 × 1,424,584.20
  4. Step 4: Simplify right side
    2,180,411.40x = 4,659,269,444,909.82
  5. Step 5: Solve for x
    x = 4,659,269,444,909.82/2,180,411.40
  6. Step 6: Final answer
    x = 2,136,876.30

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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.