Home / 3,138,612.36-4,317,693.90-2,749,676.28

Finding the Fourth Proportional to 3,138,612.36, 4,317,693.90 and 2,749,676.28

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Solution

The fourth proportional to 3,138,612.36, 4,317,693.90 and 2,749,676.28 is: 3,782,646.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,612.36 : 4,317,693.90 = 2,749,676.28 : x
  2. Step 2: Convert to fraction form
    3,138,612.36/4,317,693.90 = 2,749,676.28/x
  3. Step 3: Cross multiply
    3,138,612.36x = 4,317,693.90 × 2,749,676.28
  4. Step 4: Simplify right side
    3,138,612.36x = 11,872,260,501,130.69
  5. Step 5: Solve for x
    x = 11,872,260,501,130.69/3,138,612.36
  6. Step 6: Final answer
    x = 3,782,646.32

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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.