Home / 2,910,399.66-4,016,475.72-1,621,240.92

Finding the Fourth Proportional to 2,910,399.66, 4,016,475.72 and 1,621,240.92

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Solution

The fourth proportional to 2,910,399.66, 4,016,475.72 and 1,621,240.92 is: 2,237,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,399.66 : 4,016,475.72 = 1,621,240.92 : x
  2. Step 2: Convert to fraction form
    2,910,399.66/4,016,475.72 = 1,621,240.92/x
  3. Step 3: Cross multiply
    2,910,399.66x = 4,016,475.72 × 1,621,240.92
  4. Step 4: Simplify right side
    2,910,399.66x = 6,511,674,791,450.46
  5. Step 5: Solve for x
    x = 6,511,674,791,450.46/2,910,399.66
  6. Step 6: Final answer
    x = 2,237,381.65

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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.