Home / 3,615,169.72-4,988,765.80-1,983,540.28

Finding the Fourth Proportional to 3,615,169.72, 4,988,765.80 and 1,983,540.28

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Solution

The fourth proportional to 3,615,169.72, 4,988,765.80 and 1,983,540.28 is: 2,737,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,169.72 : 4,988,765.80 = 1,983,540.28 : x
  2. Step 2: Convert to fraction form
    3,615,169.72/4,988,765.80 = 1,983,540.28/x
  3. Step 3: Cross multiply
    3,615,169.72x = 4,988,765.80 × 1,983,540.28
  4. Step 4: Simplify right side
    3,615,169.72x = 9,895,417,911,786.42
  5. Step 5: Solve for x
    x = 9,895,417,911,786.42/3,615,169.72
  6. Step 6: Final answer
    x = 2,737,193.18

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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.