Home / 2,166,696.80-2,990,004.60-1,199,806.24

Finding the Fourth Proportional to 2,166,696.80, 2,990,004.60 and 1,199,806.24

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Solution

The fourth proportional to 2,166,696.80, 2,990,004.60 and 1,199,806.24 is: 1,655,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,696.80 : 2,990,004.60 = 1,199,806.24 : x
  2. Step 2: Convert to fraction form
    2,166,696.80/2,990,004.60 = 1,199,806.24/x
  3. Step 3: Cross multiply
    2,166,696.80x = 2,990,004.60 × 1,199,806.24
  4. Step 4: Simplify right side
    2,166,696.80x = 3,587,426,176,708.70
  5. Step 5: Solve for x
    x = 3,587,426,176,708.70/2,166,696.80
  6. Step 6: Final answer
    x = 1,655,712.13

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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.