Home / 2,146,409.40-3,219,614.10-2,118,415.80

Finding the Fourth Proportional to 2,146,409.40, 3,219,614.10 and 2,118,415.80

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Solution

The fourth proportional to 2,146,409.40, 3,219,614.10 and 2,118,415.80 is: 3,177,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,409.40 : 3,219,614.10 = 2,118,415.80 : x
  2. Step 2: Convert to fraction form
    2,146,409.40/3,219,614.10 = 2,118,415.80/x
  3. Step 3: Cross multiply
    2,146,409.40x = 3,219,614.10 × 2,118,415.80
  4. Step 4: Simplify right side
    2,146,409.40x = 6,820,481,379,342.78
  5. Step 5: Solve for x
    x = 6,820,481,379,342.78/2,146,409.40
  6. Step 6: Final answer
    x = 3,177,623.70

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Similar ratio
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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.