Home / 6,291,327.21-8,681,948.99-3,538,013.78

Finding the Fourth Proportional to 6,291,327.21, 8,681,948.99 and 3,538,013.78

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Solution

The fourth proportional to 6,291,327.21, 8,681,948.99 and 3,538,013.78 is: 4,882,412.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291,327.21 : 8,681,948.99 = 3,538,013.78 : x
  2. Step 2: Convert to fraction form
    6,291,327.21/8,681,948.99 = 3,538,013.78/x
  3. Step 3: Cross multiply
    6,291,327.21x = 8,681,948.99 × 3,538,013.78
  4. Step 4: Simplify right side
    6,291,327.21x = 30,716,855,181,159.44
  5. Step 5: Solve for x
    x = 30,716,855,181,159.44/6,291,327.21
  6. Step 6: Final answer
    x = 4,882,412.59

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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.