Home / 2,120,096.19-3,181,195.17-840,676.25

Finding the Fourth Proportional to 2,120,096.19, 3,181,195.17 and 840,676.25

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Solution

The fourth proportional to 2,120,096.19, 3,181,195.17 and 840,676.25 is: 1,261,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,096.19 : 3,181,195.17 = 840,676.25 : x
  2. Step 2: Convert to fraction form
    2,120,096.19/3,181,195.17 = 840,676.25/x
  3. Step 3: Cross multiply
    2,120,096.19x = 3,181,195.17 × 840,676.25
  4. Step 4: Simplify right side
    2,120,096.19x = 2,674,355,210,127.74
  5. Step 5: Solve for x
    x = 2,674,355,210,127.74/2,120,096.19
  6. Step 6: Final answer
    x = 1,261,431.07

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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.