Home / 2,891,743.76-3,990,836.76-1,602,707.60

Finding the Fourth Proportional to 2,891,743.76, 3,990,836.76 and 1,602,707.60

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Solution

The fourth proportional to 2,891,743.76, 3,990,836.76 and 1,602,707.60 is: 2,211,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,743.76 : 3,990,836.76 = 1,602,707.60 : x
  2. Step 2: Convert to fraction form
    2,891,743.76/3,990,836.76 = 1,602,707.60/x
  3. Step 3: Cross multiply
    2,891,743.76x = 3,990,836.76 × 1,602,707.60
  4. Step 4: Simplify right side
    2,891,743.76x = 6,396,144,405,611.38
  5. Step 5: Solve for x
    x = 6,396,144,405,611.38/2,891,743.76
  6. Step 6: Final answer
    x = 2,211,864.17

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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.