Home / 2,124,308.72-2,930,206.92-1,264,226.96

Finding the Fourth Proportional to 2,124,308.72, 2,930,206.92 and 1,264,226.96

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Solution

The fourth proportional to 2,124,308.72, 2,930,206.92 and 1,264,226.96 is: 1,743,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,308.72 : 2,930,206.92 = 1,264,226.96 : x
  2. Step 2: Convert to fraction form
    2,124,308.72/2,930,206.92 = 1,264,226.96/x
  3. Step 3: Cross multiply
    2,124,308.72x = 2,930,206.92 × 1,264,226.96
  4. Step 4: Simplify right side
    2,124,308.72x = 3,704,446,586,642.56
  5. Step 5: Solve for x
    x = 3,704,446,586,642.56/2,124,308.72
  6. Step 6: Final answer
    x = 1,743,836.27

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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.