Home / 2,130,196.80-3,197,109.60-868,929.60

Finding the Fourth Proportional to 2,130,196.80, 3,197,109.60 and 868,929.60

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Solution

The fourth proportional to 2,130,196.80, 3,197,109.60 and 868,929.60 is: 1,304,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,196.80 : 3,197,109.60 = 868,929.60 : x
  2. Step 2: Convert to fraction form
    2,130,196.80/3,197,109.60 = 868,929.60/x
  3. Step 3: Cross multiply
    2,130,196.80x = 3,197,109.60 × 868,929.60
  4. Step 4: Simplify right side
    2,130,196.80x = 2,778,063,165,884.16
  5. Step 5: Solve for x
    x = 2,778,063,165,884.16/2,130,196.80
  6. Step 6: Final answer
    x = 1,304,134.51

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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.