Home / 2,082,666.78-3,120,434.01-1,136,701.26

Finding the Fourth Proportional to 2,082,666.78, 3,120,434.01 and 1,136,701.26

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Solution

The fourth proportional to 2,082,666.78, 3,120,434.01 and 1,136,701.26 is: 1,703,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,082,666.78 : 3,120,434.01 = 1,136,701.26 : x
  2. Step 2: Convert to fraction form
    2,082,666.78/3,120,434.01 = 1,136,701.26/x
  3. Step 3: Cross multiply
    2,082,666.78x = 3,120,434.01 × 1,136,701.26
  4. Step 4: Simplify right side
    2,082,666.78x = 3,547,001,270,913.85
  5. Step 5: Solve for x
    x = 3,547,001,270,913.85/2,082,666.78
  6. Step 6: Final answer
    x = 1,703,105.51

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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.