Home / 1,816,217.82-2,506,287.96-1,000,403.91

Finding the Fourth Proportional to 1,816,217.82, 2,506,287.96 and 1,000,403.91

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Solution

The fourth proportional to 1,816,217.82, 2,506,287.96 and 1,000,403.91 is: 1,380,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,217.82 : 2,506,287.96 = 1,000,403.91 : x
  2. Step 2: Convert to fraction form
    1,816,217.82/2,506,287.96 = 1,000,403.91/x
  3. Step 3: Cross multiply
    1,816,217.82x = 2,506,287.96 × 1,000,403.91
  4. Step 4: Simplify right side
    1,816,217.82x = 2,507,300,274,769.92
  5. Step 5: Solve for x
    x = 2,507,300,274,769.92/1,816,217.82
  6. Step 6: Final answer
    x = 1,380,506.37

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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.