Home / 2,889,590-3,986,122.36-1,786,668.84

Finding the Fourth Proportional to 2,889,590, 3,986,122.36 and 1,786,668.84

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Solution

The fourth proportional to 2,889,590, 3,986,122.36 and 1,786,668.84 is: 2,464,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,590 : 3,986,122.36 = 1,786,668.84 : x
  2. Step 2: Convert to fraction form
    2,889,590/3,986,122.36 = 1,786,668.84/x
  3. Step 3: Cross multiply
    2,889,590x = 3,986,122.36 × 1,786,668.84
  4. Step 4: Simplify right side
    2,889,590x = 7,121,880,613,039.26
  5. Step 5: Solve for x
    x = 7,121,880,613,039.26/2,889,590
  6. Step 6: Final answer
    x = 2,464,668.21

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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.