Home / 1,806,591.69-2,493,142.31-990,827.85

Finding the Fourth Proportional to 1,806,591.69, 2,493,142.31 and 990,827.85

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Solution

The fourth proportional to 1,806,591.69, 2,493,142.31 and 990,827.85 is: 1,367,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,591.69 : 2,493,142.31 = 990,827.85 : x
  2. Step 2: Convert to fraction form
    1,806,591.69/2,493,142.31 = 990,827.85/x
  3. Step 3: Cross multiply
    1,806,591.69x = 2,493,142.31 × 990,827.85
  4. Step 4: Simplify right side
    1,806,591.69x = 2,470,274,829,807.19
  5. Step 5: Solve for x
    x = 2,470,274,829,807.19/1,806,591.69
  6. Step 6: Final answer
    x = 1,367,367.54

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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.