Home / 3,500,129.82-5,242,036.88-3,378,904.40

Finding the Fourth Proportional to 3,500,129.82, 5,242,036.88 and 3,378,904.40

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Solution

The fourth proportional to 3,500,129.82, 5,242,036.88 and 3,378,904.40 is: 5,060,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,129.82 : 5,242,036.88 = 3,378,904.40 : x
  2. Step 2: Convert to fraction form
    3,500,129.82/5,242,036.88 = 3,378,904.40/x
  3. Step 3: Cross multiply
    3,500,129.82x = 5,242,036.88 × 3,378,904.40
  4. Step 4: Simplify right side
    3,500,129.82x = 17,712,341,478,794.27
  5. Step 5: Solve for x
    x = 17,712,341,478,794.27/3,500,129.82
  6. Step 6: Final answer
    x = 5,060,481.29

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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.