Home / 3,788,418.48-5,229,263.40-3,015,467.16

Finding the Fourth Proportional to 3,788,418.48, 5,229,263.40 and 3,015,467.16

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Solution

The fourth proportional to 3,788,418.48, 5,229,263.40 and 3,015,467.16 is: 4,162,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,418.48 : 5,229,263.40 = 3,015,467.16 : x
  2. Step 2: Convert to fraction form
    3,788,418.48/5,229,263.40 = 3,015,467.16/x
  3. Step 3: Cross multiply
    3,788,418.48x = 5,229,263.40 × 3,015,467.16
  4. Step 4: Simplify right side
    3,788,418.48x = 15,768,672,053,689.95
  5. Step 5: Solve for x
    x = 15,768,672,053,689.95/3,788,418.48
  6. Step 6: Final answer
    x = 4,162,336.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.