Home / 2,144,358.16-3,215,823.60-864,635.10

Finding the Fourth Proportional to 2,144,358.16, 3,215,823.60 and 864,635.10

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Solution

The fourth proportional to 2,144,358.16, 3,215,823.60 and 864,635.10 is: 1,296,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,358.16 : 3,215,823.60 = 864,635.10 : x
  2. Step 2: Convert to fraction form
    2,144,358.16/3,215,823.60 = 864,635.10/x
  3. Step 3: Cross multiply
    2,144,358.16x = 3,215,823.60 × 864,635.10
  4. Step 4: Simplify right side
    2,144,358.16x = 2,780,513,959,968.36
  5. Step 5: Solve for x
    x = 2,780,513,959,968.36/2,144,358.16
  6. Step 6: Final answer
    x = 1,296,664.90

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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.