Home / 1,980,377.68-2,967,905.64-1,080,470.88

Finding the Fourth Proportional to 1,980,377.68, 2,967,905.64 and 1,080,470.88

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Solution

The fourth proportional to 1,980,377.68, 2,967,905.64 and 1,080,470.88 is: 1,619,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,377.68 : 2,967,905.64 = 1,080,470.88 : x
  2. Step 2: Convert to fraction form
    1,980,377.68/2,967,905.64 = 1,080,470.88/x
  3. Step 3: Cross multiply
    1,980,377.68x = 2,967,905.64 × 1,080,470.88
  4. Step 4: Simplify right side
    1,980,377.68x = 3,206,735,618,607.76
  5. Step 5: Solve for x
    x = 3,206,735,618,607.76/1,980,377.68
  6. Step 6: Final answer
    x = 1,619,254.58

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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.