Home / 6,321,749.94-8,724,042.40-3,421,141.06

Finding the Fourth Proportional to 6,321,749.94, 8,724,042.40 and 3,421,141.06

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Solution

The fourth proportional to 6,321,749.94, 8,724,042.40 and 3,421,141.06 is: 4,721,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,749.94 : 8,724,042.40 = 3,421,141.06 : x
  2. Step 2: Convert to fraction form
    6,321,749.94/8,724,042.40 = 3,421,141.06/x
  3. Step 3: Cross multiply
    6,321,749.94x = 8,724,042.40 × 3,421,141.06
  4. Step 4: Simplify right side
    6,321,749.94x = 29,846,179,679,002.42
  5. Step 5: Solve for x
    x = 29,846,179,679,002.42/6,321,749.94
  6. Step 6: Final answer
    x = 4,721,189.54

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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.