Home / 2,147,661.36-2,960,668.44-1,421,292.24

Finding the Fourth Proportional to 2,147,661.36, 2,960,668.44 and 1,421,292.24

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Solution

The fourth proportional to 2,147,661.36, 2,960,668.44 and 1,421,292.24 is: 1,959,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,661.36 : 2,960,668.44 = 1,421,292.24 : x
  2. Step 2: Convert to fraction form
    2,147,661.36/2,960,668.44 = 1,421,292.24/x
  3. Step 3: Cross multiply
    2,147,661.36x = 2,960,668.44 × 1,421,292.24
  4. Step 4: Simplify right side
    2,147,661.36x = 4,207,975,078,984.91
  5. Step 5: Solve for x
    x = 4,207,975,078,984.91/2,147,661.36
  6. Step 6: Final answer
    x = 1,959,328.95

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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.