Home / 3,611,465.13-4,983,790.08-1,979,842.86

Finding the Fourth Proportional to 3,611,465.13, 4,983,790.08 and 1,979,842.86

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Solution

The fourth proportional to 3,611,465.13, 4,983,790.08 and 1,979,842.86 is: 2,732,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,465.13 : 4,983,790.08 = 1,979,842.86 : x
  2. Step 2: Convert to fraction form
    3,611,465.13/4,983,790.08 = 1,979,842.86/x
  3. Step 3: Cross multiply
    3,611,465.13x = 4,983,790.08 × 1,979,842.86
  4. Step 4: Simplify right side
    3,611,465.13x = 9,867,121,205,626.83
  5. Step 5: Solve for x
    x = 9,867,121,205,626.83/3,611,465.13
  6. Step 6: Final answer
    x = 2,732,165.71

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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.