Home / 2,128,610.04-3,191,219.70-1,229,031.36

Finding the Fourth Proportional to 2,128,610.04, 3,191,219.70 and 1,229,031.36

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Solution

The fourth proportional to 2,128,610.04, 3,191,219.70 and 1,229,031.36 is: 1,842,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,610.04 : 3,191,219.70 = 1,229,031.36 : x
  2. Step 2: Convert to fraction form
    2,128,610.04/3,191,219.70 = 1,229,031.36/x
  3. Step 3: Cross multiply
    2,128,610.04x = 3,191,219.70 × 1,229,031.36
  4. Step 4: Simplify right side
    2,128,610.04x = 3,922,109,087,949.79
  5. Step 5: Solve for x
    x = 3,922,109,087,949.79/2,128,610.04
  6. Step 6: Final answer
    x = 1,842,568.16

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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.