Home / 1,987,516.28-2,742,771.30-1,082,098.28

Finding the Fourth Proportional to 1,987,516.28, 2,742,771.30 and 1,082,098.28

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Solution

The fourth proportional to 1,987,516.28, 2,742,771.30 and 1,082,098.28 is: 1,493,294.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,516.28 : 2,742,771.30 = 1,082,098.28 : x
  2. Step 2: Convert to fraction form
    1,987,516.28/2,742,771.30 = 1,082,098.28/x
  3. Step 3: Cross multiply
    1,987,516.28x = 2,742,771.30 × 1,082,098.28
  4. Step 4: Simplify right side
    1,987,516.28x = 2,967,948,106,163.36
  5. Step 5: Solve for x
    x = 2,967,948,106,163.36/1,987,516.28
  6. Step 6: Final answer
    x = 1,493,294.99

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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.