Home / 2,768,638.80-4,153,614.30-1,421,009.40

Finding the Fourth Proportional to 2,768,638.80, 4,153,614.30 and 1,421,009.40

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Solution

The fourth proportional to 2,768,638.80, 4,153,614.30 and 1,421,009.40 is: 2,131,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,638.80 : 4,153,614.30 = 1,421,009.40 : x
  2. Step 2: Convert to fraction form
    2,768,638.80/4,153,614.30 = 1,421,009.40/x
  3. Step 3: Cross multiply
    2,768,638.80x = 4,153,614.30 × 1,421,009.40
  4. Step 4: Simplify right side
    2,768,638.80x = 5,902,324,964,274.42
  5. Step 5: Solve for x
    x = 5,902,324,964,274.42/2,768,638.80
  6. Step 6: Final answer
    x = 2,131,850.84

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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.