Home / 4,261,119.40-6,391,679.10-1,421,324.20

Finding the Fourth Proportional to 4,261,119.40, 6,391,679.10 and 1,421,324.20

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Solution

The fourth proportional to 4,261,119.40, 6,391,679.10 and 1,421,324.20 is: 2,131,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261,119.40 : 6,391,679.10 = 1,421,324.20 : x
  2. Step 2: Convert to fraction form
    4,261,119.40/6,391,679.10 = 1,421,324.20/x
  3. Step 3: Cross multiply
    4,261,119.40x = 6,391,679.10 × 1,421,324.20
  4. Step 4: Simplify right side
    4,261,119.40x = 9,084,648,183,464.22
  5. Step 5: Solve for x
    x = 9,084,648,183,464.22/4,261,119.40
  6. Step 6: Final answer
    x = 2,131,986.30

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Double scale
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Similar ratio
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1.5x scale

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.