Home / 2,153,461.84-3,231,684.04-856,481.20

Finding the Fourth Proportional to 2,153,461.84, 3,231,684.04 and 856,481.20

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Solution

The fourth proportional to 2,153,461.84, 3,231,684.04 and 856,481.20 is: 1,285,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,461.84 : 3,231,684.04 = 856,481.20 : x
  2. Step 2: Convert to fraction form
    2,153,461.84/3,231,684.04 = 856,481.20/x
  3. Step 3: Cross multiply
    2,153,461.84x = 3,231,684.04 × 856,481.20
  4. Step 4: Simplify right side
    2,153,461.84x = 2,767,876,624,600.05
  5. Step 5: Solve for x
    x = 2,767,876,624,600.05/2,153,461.84
  6. Step 6: Final answer
    x = 1,285,314.92

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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.