Home / 5,305,428.48-7,321,230.72-3,013,288.32

Finding the Fourth Proportional to 5,305,428.48, 7,321,230.72 and 3,013,288.32

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Solution

The fourth proportional to 5,305,428.48, 7,321,230.72 and 3,013,288.32 is: 4,158,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,428.48 : 7,321,230.72 = 3,013,288.32 : x
  2. Step 2: Convert to fraction form
    5,305,428.48/7,321,230.72 = 3,013,288.32/x
  3. Step 3: Cross multiply
    5,305,428.48x = 7,321,230.72 × 3,013,288.32
  4. Step 4: Simplify right side
    5,305,428.48x = 22,060,979,016,601.19
  5. Step 5: Solve for x
    x = 22,060,979,016,601.19/5,305,428.48
  6. Step 6: Final answer
    x = 4,158,189.88

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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.