Home / 3,617,555.91-4,991,912.31-1,985,956.71

Finding the Fourth Proportional to 3,617,555.91, 4,991,912.31 and 1,985,956.71

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Solution

The fourth proportional to 3,617,555.91, 4,991,912.31 and 1,985,956.71 is: 2,740,447.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,555.91 : 4,991,912.31 = 1,985,956.71 : x
  2. Step 2: Convert to fraction form
    3,617,555.91/4,991,912.31 = 1,985,956.71/x
  3. Step 3: Cross multiply
    3,617,555.91x = 4,991,912.31 × 1,985,956.71
  4. Step 4: Simplify right side
    3,617,555.91x = 9,913,721,747,776.10
  5. Step 5: Solve for x
    x = 9,913,721,747,776.10/3,617,555.91
  6. Step 6: Final answer
    x = 2,740,447.42

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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.