Home / 6,428,519.54-8,870,770.59-3,814,573.13

Finding the Fourth Proportional to 6,428,519.54, 8,870,770.59 and 3,814,573.13

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Solution

The fourth proportional to 6,428,519.54, 8,870,770.59 and 3,814,573.13 is: 5,263,762.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,519.54 : 8,870,770.59 = 3,814,573.13 : x
  2. Step 2: Convert to fraction form
    6,428,519.54/8,870,770.59 = 3,814,573.13/x
  3. Step 3: Cross multiply
    6,428,519.54x = 8,870,770.59 × 3,814,573.13
  4. Step 4: Simplify right side
    6,428,519.54x = 33,838,203,090,654.39
  5. Step 5: Solve for x
    x = 33,838,203,090,654.39/6,428,519.54
  6. Step 6: Final answer
    x = 5,263,762.97

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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.