Home / 6,909,290.78-9,534,768-3,811,944.66

Finding the Fourth Proportional to 6,909,290.78, 9,534,768 and 3,811,944.66

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Solution

The fourth proportional to 6,909,290.78, 9,534,768 and 3,811,944.66 is: 5,260,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909,290.78 : 9,534,768 = 3,811,944.66 : x
  2. Step 2: Convert to fraction form
    6,909,290.78/9,534,768 = 3,811,944.66/x
  3. Step 3: Cross multiply
    6,909,290.78x = 9,534,768 × 3,811,944.66
  4. Step 4: Simplify right side
    6,909,290.78x = 36,346,007,961,938.88
  5. Step 5: Solve for x
    x = 36,346,007,961,938.88/6,909,290.78
  6. Step 6: Final answer
    x = 5,260,454.24

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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.