Home / 6,320,328.73-8,721,991.56-3,419,655.96

Finding the Fourth Proportional to 6,320,328.73, 8,721,991.56 and 3,419,655.96

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Solution

The fourth proportional to 6,320,328.73, 8,721,991.56 and 3,419,655.96 is: 4,719,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,328.73 : 8,721,991.56 = 3,419,655.96 : x
  2. Step 2: Convert to fraction form
    6,320,328.73/8,721,991.56 = 3,419,655.96/x
  3. Step 3: Cross multiply
    6,320,328.73x = 8,721,991.56 × 3,419,655.96
  4. Step 4: Simplify right side
    6,320,328.73x = 29,826,210,421,223.70
  5. Step 5: Solve for x
    x = 29,826,210,421,223.70/6,320,328.73
  6. Step 6: Final answer
    x = 4,719,091.63

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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.