Home / 1,999,904.20-2,759,862.21-1,082,148.90

Finding the Fourth Proportional to 1,999,904.20, 2,759,862.21 and 1,082,148.90

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Solution

The fourth proportional to 1,999,904.20, 2,759,862.21 and 1,082,148.90 is: 1,493,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,904.20 : 2,759,862.21 = 1,082,148.90 : x
  2. Step 2: Convert to fraction form
    1,999,904.20/2,759,862.21 = 1,082,148.90/x
  3. Step 3: Cross multiply
    1,999,904.20x = 2,759,862.21 × 1,082,148.90
  4. Step 4: Simplify right side
    1,999,904.20x = 2,986,581,856,503.82
  5. Step 5: Solve for x
    x = 2,986,581,856,503.82/1,999,904.20
  6. Step 6: Final answer
    x = 1,493,362.46

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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.