Home / 4,380,808.25-6,045,388.09-2,420,655.10

Finding the Fourth Proportional to 4,380,808.25, 6,045,388.09 and 2,420,655.10

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Solution

The fourth proportional to 4,380,808.25, 6,045,388.09 and 2,420,655.10 is: 3,340,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380,808.25 : 6,045,388.09 = 2,420,655.10 : x
  2. Step 2: Convert to fraction form
    4,380,808.25/6,045,388.09 = 2,420,655.10/x
  3. Step 3: Cross multiply
    4,380,808.25x = 6,045,388.09 × 2,420,655.10
  4. Step 4: Simplify right side
    4,380,808.25x = 14,633,799,490,372.65
  5. Step 5: Solve for x
    x = 14,633,799,490,372.65/4,380,808.25
  6. Step 6: Final answer
    x = 3,340,433.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.