Home / 2,167,272.30-2,990,802.83-1,187,203.48

Finding the Fourth Proportional to 2,167,272.30, 2,990,802.83 and 1,187,203.48

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Solution

The fourth proportional to 2,167,272.30, 2,990,802.83 and 1,187,203.48 is: 1,638,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,272.30 : 2,990,802.83 = 1,187,203.48 : x
  2. Step 2: Convert to fraction form
    2,167,272.30/2,990,802.83 = 1,187,203.48/x
  3. Step 3: Cross multiply
    2,167,272.30x = 2,990,802.83 × 1,187,203.48
  4. Step 4: Simplify right side
    2,167,272.30x = 3,550,691,527,769.85
  5. Step 5: Solve for x
    x = 3,550,691,527,769.85/2,167,272.30
  6. Step 6: Final answer
    x = 1,638,322.76

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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.