Home / 1,990,129.55-2,746,189.06-1,163,396.39

Finding the Fourth Proportional to 1,990,129.55, 2,746,189.06 and 1,163,396.39

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Solution

The fourth proportional to 1,990,129.55, 2,746,189.06 and 1,163,396.39 is: 1,605,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,129.55 : 2,746,189.06 = 1,163,396.39 : x
  2. Step 2: Convert to fraction form
    1,990,129.55/2,746,189.06 = 1,163,396.39/x
  3. Step 3: Cross multiply
    1,990,129.55x = 2,746,189.06 × 1,163,396.39
  4. Step 4: Simplify right side
    1,990,129.55x = 3,194,906,438,661.49
  5. Step 5: Solve for x
    x = 3,194,906,438,661.49/1,990,129.55
  6. Step 6: Final answer
    x = 1,605,376.11

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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.