Home / 2,009,496.60-3,013,370.10-661,138.20

Finding the Fourth Proportional to 2,009,496.60, 3,013,370.10 and 661,138.20

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Solution

The fourth proportional to 2,009,496.60, 3,013,370.10 and 661,138.20 is: 991,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,496.60 : 3,013,370.10 = 661,138.20 : x
  2. Step 2: Convert to fraction form
    2,009,496.60/3,013,370.10 = 661,138.20/x
  3. Step 3: Cross multiply
    2,009,496.60x = 3,013,370.10 × 661,138.20
  4. Step 4: Simplify right side
    2,009,496.60x = 1,992,254,083,847.82
  5. Step 5: Solve for x
    x = 1,992,254,083,847.82/2,009,496.60
  6. Step 6: Final answer
    x = 991,419.48

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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.