Home / 6,805,548.78-9,391,869.99-3,905,470.14

Finding the Fourth Proportional to 6,805,548.78, 9,391,869.99 and 3,905,470.14

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Solution

The fourth proportional to 6,805,548.78, 9,391,869.99 and 3,905,470.14 is: 5,389,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805,548.78 : 9,391,869.99 = 3,905,470.14 : x
  2. Step 2: Convert to fraction form
    6,805,548.78/9,391,869.99 = 3,905,470.14/x
  3. Step 3: Cross multiply
    6,805,548.78x = 9,391,869.99 × 3,905,470.14
  4. Step 4: Simplify right side
    6,805,548.78x = 36,679,667,804,707.10
  5. Step 5: Solve for x
    x = 36,679,667,804,707.10/6,805,548.78
  6. Step 6: Final answer
    x = 5,389,670.84

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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.