Home / 3,658,540.50-5,048,651.84-2,109,867.48

Finding the Fourth Proportional to 3,658,540.50, 5,048,651.84 and 2,109,867.48

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Solution

The fourth proportional to 3,658,540.50, 5,048,651.84 and 2,109,867.48 is: 2,911,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,540.50 : 5,048,651.84 = 2,109,867.48 : x
  2. Step 2: Convert to fraction form
    3,658,540.50/5,048,651.84 = 2,109,867.48/x
  3. Step 3: Cross multiply
    3,658,540.50x = 5,048,651.84 × 2,109,867.48
  4. Step 4: Simplify right side
    3,658,540.50x = 10,651,986,335,058.16
  5. Step 5: Solve for x
    x = 10,651,986,335,058.16/3,658,540.50
  6. Step 6: Final answer
    x = 2,911,539.82

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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.