Home / 2,718,891.40-4,078,073.02-825,649.24

Finding the Fourth Proportional to 2,718,891.40, 4,078,073.02 and 825,649.24

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Solution

The fourth proportional to 2,718,891.40, 4,078,073.02 and 825,649.24 is: 1,238,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,891.40 : 4,078,073.02 = 825,649.24 : x
  2. Step 2: Convert to fraction form
    2,718,891.40/4,078,073.02 = 825,649.24/x
  3. Step 3: Cross multiply
    2,718,891.40x = 4,078,073.02 × 825,649.24
  4. Step 4: Simplify right side
    2,718,891.40x = 3,367,057,889,627.51
  5. Step 5: Solve for x
    x = 3,367,057,889,627.51/2,718,891.40
  6. Step 6: Final answer
    x = 1,238,393.67

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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.