Home / 2,166,756.93-2,990,121.78-1,199,886.03

Finding the Fourth Proportional to 2,166,756.93, 2,990,121.78 and 1,199,886.03

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Solution

The fourth proportional to 2,166,756.93, 2,990,121.78 and 1,199,886.03 is: 1,655,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,756.93 : 2,990,121.78 = 1,199,886.03 : x
  2. Step 2: Convert to fraction form
    2,166,756.93/2,990,121.78 = 1,199,886.03/x
  3. Step 3: Cross multiply
    2,166,756.93x = 2,990,121.78 × 1,199,886.03
  4. Step 4: Simplify right side
    2,166,756.93x = 3,587,805,351,820.73
  5. Step 5: Solve for x
    x = 3,587,805,351,820.73/2,166,756.93
  6. Step 6: Final answer
    x = 1,655,841.18

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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.