Home / 6,398,580.30-8,830,145.79-3,820,486.38

Finding the Fourth Proportional to 6,398,580.30, 8,830,145.79 and 3,820,486.38

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Solution

The fourth proportional to 6,398,580.30, 8,830,145.79 and 3,820,486.38 is: 5,272,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398,580.30 : 8,830,145.79 = 3,820,486.38 : x
  2. Step 2: Convert to fraction form
    6,398,580.30/8,830,145.79 = 3,820,486.38/x
  3. Step 3: Cross multiply
    6,398,580.30x = 8,830,145.79 × 3,820,486.38
  4. Step 4: Simplify right side
    6,398,580.30x = 33,735,451,724,109.34
  5. Step 5: Solve for x
    x = 33,735,451,724,109.34/6,398,580.30
  6. Step 6: Final answer
    x = 5,272,333.88

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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.