Home / 2,128,599.04-3,191,203.22-1,229,020.34

Finding the Fourth Proportional to 2,128,599.04, 3,191,203.22 and 1,229,020.34

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Solution

The fourth proportional to 2,128,599.04, 3,191,203.22 and 1,229,020.34 is: 1,842,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,599.04 : 3,191,203.22 = 1,229,020.34 : x
  2. Step 2: Convert to fraction form
    2,128,599.04/3,191,203.22 = 1,229,020.34/x
  3. Step 3: Cross multiply
    2,128,599.04x = 3,191,203.22 × 1,229,020.34
  4. Step 4: Simplify right side
    2,128,599.04x = 3,922,053,666,453.50
  5. Step 5: Solve for x
    x = 3,922,053,666,453.50/2,128,599.04
  6. Step 6: Final answer
    x = 1,842,551.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.