Home / 3,140,355.96-4,333,921.28-1,763,781.26

Finding the Fourth Proportional to 3,140,355.96, 4,333,921.28 and 1,763,781.26

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Solution

The fourth proportional to 3,140,355.96, 4,333,921.28 and 1,763,781.26 is: 2,434,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,355.96 : 4,333,921.28 = 1,763,781.26 : x
  2. Step 2: Convert to fraction form
    3,140,355.96/4,333,921.28 = 1,763,781.26/x
  3. Step 3: Cross multiply
    3,140,355.96x = 4,333,921.28 × 1,763,781.26
  4. Step 4: Simplify right side
    3,140,355.96x = 7,644,089,105,490.70
  5. Step 5: Solve for x
    x = 7,644,089,105,490.70/3,140,355.96
  6. Step 6: Final answer
    x = 2,434,147.34

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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.