Home / 6,320,779.36-8,721,153.04-3,839,928

Finding the Fourth Proportional to 6,320,779.36, 8,721,153.04 and 3,839,928

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Solution

The fourth proportional to 6,320,779.36, 8,721,153.04 and 3,839,928 is: 5,298,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,779.36 : 8,721,153.04 = 3,839,928 : x
  2. Step 2: Convert to fraction form
    6,320,779.36/8,721,153.04 = 3,839,928/x
  3. Step 3: Cross multiply
    6,320,779.36x = 8,721,153.04 × 3,839,928
  4. Step 4: Simplify right side
    6,320,779.36x = 33,488,599,750,581.12
  5. Step 5: Solve for x
    x = 33,488,599,750,581.12/6,320,779.36
  6. Step 6: Final answer
    x = 5,298,175.72

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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.