Home / 2,009,001.40-3,013,502.10-1,211,183.80

Finding the Fourth Proportional to 2,009,001.40, 3,013,502.10 and 1,211,183.80

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Solution

The fourth proportional to 2,009,001.40, 3,013,502.10 and 1,211,183.80 is: 1,816,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,001.40 : 3,013,502.10 = 1,211,183.80 : x
  2. Step 2: Convert to fraction form
    2,009,001.40/3,013,502.10 = 1,211,183.80/x
  3. Step 3: Cross multiply
    2,009,001.40x = 3,013,502.10 × 1,211,183.80
  4. Step 4: Simplify right side
    2,009,001.40x = 3,649,904,924,785.98
  5. Step 5: Solve for x
    x = 3,649,904,924,785.98/2,009,001.40
  6. Step 6: Final answer
    x = 1,816,775.70

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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.