Home / 2,130,902.42-3,196,331.76-1,231,772.05

Finding the Fourth Proportional to 2,130,902.42, 3,196,331.76 and 1,231,772.05

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Solution

The fourth proportional to 2,130,902.42, 3,196,331.76 and 1,231,772.05 is: 1,847,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,902.42 : 3,196,331.76 = 1,231,772.05 : x
  2. Step 2: Convert to fraction form
    2,130,902.42/3,196,331.76 = 1,231,772.05/x
  3. Step 3: Cross multiply
    2,130,902.42x = 3,196,331.76 × 1,231,772.05
  4. Step 4: Simplify right side
    2,130,902.42x = 3,937,152,116,504.48
  5. Step 5: Solve for x
    x = 3,937,152,116,504.48/2,130,902.42
  6. Step 6: Final answer
    x = 1,847,645.43

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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.