Home / 2,080,206.90-3,117,977.55-1,068,938.10

Finding the Fourth Proportional to 2,080,206.90, 3,117,977.55 and 1,068,938.10

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Solution

The fourth proportional to 2,080,206.90, 3,117,977.55 and 1,068,938.10 is: 1,602,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,206.90 : 3,117,977.55 = 1,068,938.10 : x
  2. Step 2: Convert to fraction form
    2,080,206.90/3,117,977.55 = 1,068,938.10/x
  3. Step 3: Cross multiply
    2,080,206.90x = 3,117,977.55 × 1,068,938.10
  4. Step 4: Simplify right side
    2,080,206.90x = 3,332,924,998,139.66
  5. Step 5: Solve for x
    x = 3,332,924,998,139.66/2,080,206.90
  6. Step 6: Final answer
    x = 1,602,208.41

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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.