Home / 4,955,428.20-6,841,422.48-3,121,458.60

Finding the Fourth Proportional to 4,955,428.20, 6,841,422.48 and 3,121,458.60

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Solution

The fourth proportional to 4,955,428.20, 6,841,422.48 and 3,121,458.60 is: 4,309,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,955,428.20 : 6,841,422.48 = 3,121,458.60 : x
  2. Step 2: Convert to fraction form
    4,955,428.20/6,841,422.48 = 3,121,458.60/x
  3. Step 3: Cross multiply
    4,955,428.20x = 6,841,422.48 × 3,121,458.60
  4. Step 4: Simplify right side
    4,955,428.20x = 21,355,217,036,429.33
  5. Step 5: Solve for x
    x = 21,355,217,036,429.33/4,955,428.20
  6. Step 6: Final answer
    x = 4,309,459.48

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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.