Home / 2,168,160.32-2,992,172.64-1,308,708.80

Finding the Fourth Proportional to 2,168,160.32, 2,992,172.64 and 1,308,708.80

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Solution

The fourth proportional to 2,168,160.32, 2,992,172.64 and 1,308,708.80 is: 1,806,085.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,160.32 : 2,992,172.64 = 1,308,708.80 : x
  2. Step 2: Convert to fraction form
    2,168,160.32/2,992,172.64 = 1,308,708.80/x
  3. Step 3: Cross multiply
    2,168,160.32x = 2,992,172.64 × 1,308,708.80
  4. Step 4: Simplify right side
    2,168,160.32x = 3,915,882,665,087.23
  5. Step 5: Solve for x
    x = 3,915,882,665,087.23/2,168,160.32
  6. Step 6: Final answer
    x = 1,806,085.38

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1.5x scale

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.