Home / 2,171,148.90-3,256,140.15-908,715.30

Finding the Fourth Proportional to 2,171,148.90, 3,256,140.15 and 908,715.30

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Solution

The fourth proportional to 2,171,148.90, 3,256,140.15 and 908,715.30 is: 1,362,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,148.90 : 3,256,140.15 = 908,715.30 : x
  2. Step 2: Convert to fraction form
    2,171,148.90/3,256,140.15 = 908,715.30/x
  3. Step 3: Cross multiply
    2,171,148.90x = 3,256,140.15 × 908,715.30
  4. Step 4: Simplify right side
    2,171,148.90x = 2,958,904,373,249.30
  5. Step 5: Solve for x
    x = 2,958,904,373,249.30/2,171,148.90
  6. Step 6: Final answer
    x = 1,362,828.86

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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.