Home / 3,219,860.77-4,829,956.59-823,726.19

Finding the Fourth Proportional to 3,219,860.77, 4,829,956.59 and 823,726.19

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Solution

The fourth proportional to 3,219,860.77, 4,829,956.59 and 823,726.19 is: 1,235,631.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,860.77 : 4,829,956.59 = 823,726.19 : x
  2. Step 2: Convert to fraction form
    3,219,860.77/4,829,956.59 = 823,726.19/x
  3. Step 3: Cross multiply
    3,219,860.77x = 4,829,956.59 × 823,726.19
  4. Step 4: Simplify right side
    3,219,860.77x = 3,978,561,739,746.09
  5. Step 5: Solve for x
    x = 3,978,561,739,746.09/3,219,860.77
  6. Step 6: Final answer
    x = 1,235,631.61

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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.