Home / 2,218,218.60-3,328,883.10-1,421,437.80

Finding the Fourth Proportional to 2,218,218.60, 3,328,883.10 and 1,421,437.80

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Solution

The fourth proportional to 2,218,218.60, 3,328,883.10 and 1,421,437.80 is: 2,133,153.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,218.60 : 3,328,883.10 = 1,421,437.80 : x
  2. Step 2: Convert to fraction form
    2,218,218.60/3,328,883.10 = 1,421,437.80/x
  3. Step 3: Cross multiply
    2,218,218.60x = 3,328,883.10 × 1,421,437.80
  4. Step 4: Simplify right side
    2,218,218.60x = 4,731,800,270,121.18
  5. Step 5: Solve for x
    x = 4,731,800,270,121.18/2,218,218.60
  6. Step 6: Final answer
    x = 2,133,153.27

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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.