Home / 2,875,047.36-4,309,217.64-2,162,785.20

Finding the Fourth Proportional to 2,875,047.36, 4,309,217.64 and 2,162,785.20

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Solution

The fourth proportional to 2,875,047.36, 4,309,217.64 and 2,162,785.20 is: 3,241,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,047.36 : 4,309,217.64 = 2,162,785.20 : x
  2. Step 2: Convert to fraction form
    2,875,047.36/4,309,217.64 = 2,162,785.20/x
  3. Step 3: Cross multiply
    2,875,047.36x = 4,309,217.64 × 2,162,785.20
  4. Step 4: Simplify right side
    2,875,047.36x = 9,319,912,135,370.93
  5. Step 5: Solve for x
    x = 9,319,912,135,370.93/2,875,047.36
  6. Step 6: Final answer
    x = 3,241,655.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.