Home / 2,220,242.47-3,063,960.16-1,302,487.22

Finding the Fourth Proportional to 2,220,242.47, 3,063,960.16 and 1,302,487.22

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Solution

The fourth proportional to 2,220,242.47, 3,063,960.16 and 1,302,487.22 is: 1,797,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,242.47 : 3,063,960.16 = 1,302,487.22 : x
  2. Step 2: Convert to fraction form
    2,220,242.47/3,063,960.16 = 1,302,487.22/x
  3. Step 3: Cross multiply
    2,220,242.47x = 3,063,960.16 × 1,302,487.22
  4. Step 4: Simplify right side
    2,220,242.47x = 3,990,768,964,107.11
  5. Step 5: Solve for x
    x = 3,990,768,964,107.11/2,220,242.47
  6. Step 6: Final answer
    x = 1,797,447.36

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Double scale
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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.