Home / 2,212,409.80-3,053,416.68-1,245,728.46

Finding the Fourth Proportional to 2,212,409.80, 3,053,416.68 and 1,245,728.46

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Solution

The fourth proportional to 2,212,409.80, 3,053,416.68 and 1,245,728.46 is: 1,719,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,409.80 : 3,053,416.68 = 1,245,728.46 : x
  2. Step 2: Convert to fraction form
    2,212,409.80/3,053,416.68 = 1,245,728.46/x
  3. Step 3: Cross multiply
    2,212,409.80x = 3,053,416.68 × 1,245,728.46
  4. Step 4: Simplify right side
    2,212,409.80x = 3,803,728,058,514.71
  5. Step 5: Solve for x
    x = 3,803,728,058,514.71/2,212,409.80
  6. Step 6: Final answer
    x = 1,719,269.21

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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.