Home / 6,381,036.45-9,571,554.68-2,120,651.10

Finding the Fourth Proportional to 6,381,036.45, 9,571,554.68 and 2,120,651.10

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Solution

The fourth proportional to 6,381,036.45, 9,571,554.68 and 2,120,651.10 is: 3,180,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,036.45 : 9,571,554.68 = 2,120,651.10 : x
  2. Step 2: Convert to fraction form
    6,381,036.45/9,571,554.68 = 2,120,651.10/x
  3. Step 3: Cross multiply
    6,381,036.45x = 9,571,554.68 × 2,120,651.10
  4. Step 4: Simplify right side
    6,381,036.45x = 20,297,927,950,248.89
  5. Step 5: Solve for x
    x = 20,297,927,950,248.89/6,381,036.45
  6. Step 6: Final answer
    x = 3,180,976.65

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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.