Home / 2,021,009.70-3,031,514.55-1,887,165.30

Finding the Fourth Proportional to 2,021,009.70, 3,031,514.55 and 1,887,165.30

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Solution

The fourth proportional to 2,021,009.70, 3,031,514.55 and 1,887,165.30 is: 2,830,747.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,009.70 : 3,031,514.55 = 1,887,165.30 : x
  2. Step 2: Convert to fraction form
    2,021,009.70/3,031,514.55 = 1,887,165.30/x
  3. Step 3: Cross multiply
    2,021,009.70x = 3,031,514.55 × 1,887,165.30
  4. Step 4: Simplify right side
    2,021,009.70x = 5,720,969,065,205.12
  5. Step 5: Solve for x
    x = 5,720,969,065,205.12/2,021,009.70
  6. Step 6: Final answer
    x = 2,830,747.95

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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.