Home / 2,170,466.20-3,256,865.70-908,421.40

Finding the Fourth Proportional to 2,170,466.20, 3,256,865.70 and 908,421.40

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Solution

The fourth proportional to 2,170,466.20, 3,256,865.70 and 908,421.40 is: 1,363,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,466.20 : 3,256,865.70 = 908,421.40 : x
  2. Step 2: Convert to fraction form
    2,170,466.20/3,256,865.70 = 908,421.40/x
  3. Step 3: Cross multiply
    2,170,466.20x = 3,256,865.70 × 908,421.40
  4. Step 4: Simplify right side
    2,170,466.20x = 2,958,606,498,805.98
  5. Step 5: Solve for x
    x = 2,958,606,498,805.98/2,170,466.20
  6. Step 6: Final answer
    x = 1,363,120.28

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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.