Home / 2,759,057.27-4,139,208.66-840,140.03

Finding the Fourth Proportional to 2,759,057.27, 4,139,208.66 and 840,140.03

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Solution

The fourth proportional to 2,759,057.27, 4,139,208.66 and 840,140.03 is: 1,260,399.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,057.27 : 4,139,208.66 = 840,140.03 : x
  2. Step 2: Convert to fraction form
    2,759,057.27/4,139,208.66 = 840,140.03/x
  3. Step 3: Cross multiply
    2,759,057.27x = 4,139,208.66 × 840,140.03
  4. Step 4: Simplify right side
    2,759,057.27x = 3,477,514,867,092.62
  5. Step 5: Solve for x
    x = 3,477,514,867,092.62/2,759,057.27
  6. Step 6: Final answer
    x = 1,260,399.67

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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.