Home / 2,130,902.61-3,196,332.04-1,231,772.24

Finding the Fourth Proportional to 2,130,902.61, 3,196,332.04 and 1,231,772.24

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Solution

The fourth proportional to 2,130,902.61, 3,196,332.04 and 1,231,772.24 is: 1,847,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,902.61 : 3,196,332.04 = 1,231,772.24 : x
  2. Step 2: Convert to fraction form
    2,130,902.61/3,196,332.04 = 1,231,772.24/x
  3. Step 3: Cross multiply
    2,130,902.61x = 3,196,332.04 × 1,231,772.24
  4. Step 4: Simplify right side
    2,130,902.61x = 3,937,153,062,252.62
  5. Step 5: Solve for x
    x = 3,937,153,062,252.62/2,130,902.61
  6. Step 6: Final answer
    x = 1,847,645.71

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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.