Home / 2,080,386.30-3,120,579.45-960,642.30

Finding the Fourth Proportional to 2,080,386.30, 3,120,579.45 and 960,642.30

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Solution

The fourth proportional to 2,080,386.30, 3,120,579.45 and 960,642.30 is: 1,440,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,386.30 : 3,120,579.45 = 960,642.30 : x
  2. Step 2: Convert to fraction form
    2,080,386.30/3,120,579.45 = 960,642.30/x
  3. Step 3: Cross multiply
    2,080,386.30x = 3,120,579.45 × 960,642.30
  4. Step 4: Simplify right side
    2,080,386.30x = 2,997,760,620,180.74
  5. Step 5: Solve for x
    x = 2,997,760,620,180.74/2,080,386.30
  6. Step 6: Final answer
    x = 1,440,963.45

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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.