Home / 2,135,957.42-2,947,496.36-1,169,105.78

Finding the Fourth Proportional to 2,135,957.42, 2,947,496.36 and 1,169,105.78

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Solution

The fourth proportional to 2,135,957.42, 2,947,496.36 and 1,169,105.78 is: 1,613,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,957.42 : 2,947,496.36 = 1,169,105.78 : x
  2. Step 2: Convert to fraction form
    2,135,957.42/2,947,496.36 = 1,169,105.78/x
  3. Step 3: Cross multiply
    2,135,957.42x = 2,947,496.36 × 1,169,105.78
  4. Step 4: Simplify right side
    2,135,957.42x = 3,445,935,031,004.96
  5. Step 5: Solve for x
    x = 3,445,935,031,004.96/2,135,957.42
  6. Step 6: Final answer
    x = 1,613,297.62

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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.