Home / 2,122,021.20-3,183,031.80-1,702,117.20

Finding the Fourth Proportional to 2,122,021.20, 3,183,031.80 and 1,702,117.20

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Solution

The fourth proportional to 2,122,021.20, 3,183,031.80 and 1,702,117.20 is: 2,553,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,021.20 : 3,183,031.80 = 1,702,117.20 : x
  2. Step 2: Convert to fraction form
    2,122,021.20/3,183,031.80 = 1,702,117.20/x
  3. Step 3: Cross multiply
    2,122,021.20x = 3,183,031.80 × 1,702,117.20
  4. Step 4: Simplify right side
    2,122,021.20x = 5,417,893,174,926.96
  5. Step 5: Solve for x
    x = 5,417,893,174,926.96/2,122,021.20
  6. Step 6: Final answer
    x = 2,553,175.80

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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.