Home / 1,816,581.92-2,506,861.32-1,000,769.36

Finding the Fourth Proportional to 1,816,581.92, 2,506,861.32 and 1,000,769.36

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Solution

The fourth proportional to 1,816,581.92, 2,506,861.32 and 1,000,769.36 is: 1,381,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,581.92 : 2,506,861.32 = 1,000,769.36 : x
  2. Step 2: Convert to fraction form
    1,816,581.92/2,506,861.32 = 1,000,769.36/x
  3. Step 3: Cross multiply
    1,816,581.92x = 2,506,861.32 × 1,000,769.36
  4. Step 4: Simplify right side
    1,816,581.92x = 2,508,789,998,825.15
  5. Step 5: Solve for x
    x = 2,508,789,998,825.15/1,816,581.92
  6. Step 6: Final answer
    x = 1,381,049.75

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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.