Home / 2,081,315-3,119,487.42-1,070,921

Finding the Fourth Proportional to 2,081,315, 3,119,487.42 and 1,070,921

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Solution

The fourth proportional to 2,081,315, 3,119,487.42 and 1,070,921 is: 1,605,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,315 : 3,119,487.42 = 1,070,921 : x
  2. Step 2: Convert to fraction form
    2,081,315/3,119,487.42 = 1,070,921/x
  3. Step 3: Cross multiply
    2,081,315x = 3,119,487.42 × 1,070,921
  4. Step 4: Simplify right side
    2,081,315x = 3,340,724,587,313.82
  5. Step 5: Solve for x
    x = 3,340,724,587,313.82/2,081,315
  6. Step 6: Final answer
    x = 1,605,102.83

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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.