Home / 2,135,669.80-3,203,504.70-1,123,407.40

Finding the Fourth Proportional to 2,135,669.80, 3,203,504.70 and 1,123,407.40

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Solution

The fourth proportional to 2,135,669.80, 3,203,504.70 and 1,123,407.40 is: 1,685,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,669.80 : 3,203,504.70 = 1,123,407.40 : x
  2. Step 2: Convert to fraction form
    2,135,669.80/3,203,504.70 = 1,123,407.40/x
  3. Step 3: Cross multiply
    2,135,669.80x = 3,203,504.70 × 1,123,407.40
  4. Step 4: Simplify right side
    2,135,669.80x = 3,598,840,885,914.78
  5. Step 5: Solve for x
    x = 3,598,840,885,914.78/2,135,669.80
  6. Step 6: Final answer
    x = 1,685,111.10

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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.