Home / 2,021,139.80-3,031,709.70-1,835,135.45

Finding the Fourth Proportional to 2,021,139.80, 3,031,709.70 and 1,835,135.45

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Solution

The fourth proportional to 2,021,139.80, 3,031,709.70 and 1,835,135.45 is: 2,752,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,139.80 : 3,031,709.70 = 1,835,135.45 : x
  2. Step 2: Convert to fraction form
    2,021,139.80/3,031,709.70 = 1,835,135.45/x
  3. Step 3: Cross multiply
    2,021,139.80x = 3,031,709.70 × 1,835,135.45
  4. Step 4: Simplify right side
    2,021,139.80x = 5,563,597,944,578.87
  5. Step 5: Solve for x
    x = 5,563,597,944,578.87/2,021,139.80
  6. Step 6: Final answer
    x = 2,752,703.18

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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.