Home / 2,199,623.20-3,299,434.80-1,485,786.40

Finding the Fourth Proportional to 2,199,623.20, 3,299,434.80 and 1,485,786.40

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Solution

The fourth proportional to 2,199,623.20, 3,299,434.80 and 1,485,786.40 is: 2,228,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,623.20 : 3,299,434.80 = 1,485,786.40 : x
  2. Step 2: Convert to fraction form
    2,199,623.20/3,299,434.80 = 1,485,786.40/x
  3. Step 3: Cross multiply
    2,199,623.20x = 3,299,434.80 × 1,485,786.40
  4. Step 4: Simplify right side
    2,199,623.20x = 4,902,255,353,526.72
  5. Step 5: Solve for x
    x = 4,902,255,353,526.72/2,199,623.20
  6. Step 6: Final answer
    x = 2,228,679.60

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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.