Home / 2,199,637.20-3,299,455.80-1,485,800.40

Finding the Fourth Proportional to 2,199,637.20, 3,299,455.80 and 1,485,800.40

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Solution

The fourth proportional to 2,199,637.20, 3,299,455.80 and 1,485,800.40 is: 2,228,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,637.20 : 3,299,455.80 = 1,485,800.40 : x
  2. Step 2: Convert to fraction form
    2,199,637.20/3,299,455.80 = 1,485,800.40/x
  3. Step 3: Cross multiply
    2,199,637.20x = 3,299,455.80 × 1,485,800.40
  4. Step 4: Simplify right side
    2,199,637.20x = 4,902,332,747,422.32
  5. Step 5: Solve for x
    x = 4,902,332,747,422.32/2,199,637.20
  6. Step 6: Final answer
    x = 2,228,700.60

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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.