Home / 6,619,898.16-9,135,396.90-3,679,638.18

Finding the Fourth Proportional to 6,619,898.16, 9,135,396.90 and 3,679,638.18

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Solution

The fourth proportional to 6,619,898.16, 9,135,396.90 and 3,679,638.18 is: 5,077,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,898.16 : 9,135,396.90 = 3,679,638.18 : x
  2. Step 2: Convert to fraction form
    6,619,898.16/9,135,396.90 = 3,679,638.18/x
  3. Step 3: Cross multiply
    6,619,898.16x = 9,135,396.90 × 3,679,638.18
  4. Step 4: Simplify right side
    6,619,898.16x = 33,614,955,222,693.64
  5. Step 5: Solve for x
    x = 33,614,955,222,693.64/6,619,898.16
  6. Step 6: Final answer
    x = 5,077,865.91

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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.