Home / 2,736,005.40-4,104,008.10-1,315,330.20

Finding the Fourth Proportional to 2,736,005.40, 4,104,008.10 and 1,315,330.20

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Solution

The fourth proportional to 2,736,005.40, 4,104,008.10 and 1,315,330.20 is: 1,972,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736,005.40 : 4,104,008.10 = 1,315,330.20 : x
  2. Step 2: Convert to fraction form
    2,736,005.40/4,104,008.10 = 1,315,330.20/x
  3. Step 3: Cross multiply
    2,736,005.40x = 4,104,008.10 × 1,315,330.20
  4. Step 4: Simplify right side
    2,736,005.40x = 5,398,125,794,974.62
  5. Step 5: Solve for x
    x = 5,398,125,794,974.62/2,736,005.40
  6. Step 6: Final answer
    x = 1,972,995.30

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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.