Home / 2,021,138.80-3,031,708.20-1,835,134.45

Finding the Fourth Proportional to 2,021,138.80, 3,031,708.20 and 1,835,134.45

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Solution

The fourth proportional to 2,021,138.80, 3,031,708.20 and 1,835,134.45 is: 2,752,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,138.80 : 3,031,708.20 = 1,835,134.45 : x
  2. Step 2: Convert to fraction form
    2,021,138.80/3,031,708.20 = 1,835,134.45/x
  3. Step 3: Cross multiply
    2,021,138.80x = 3,031,708.20 × 1,835,134.45
  4. Step 4: Simplify right side
    2,021,138.80x = 5,563,592,160,167.49
  5. Step 5: Solve for x
    x = 5,563,592,160,167.49/2,021,138.80
  6. Step 6: Final answer
    x = 2,752,701.68

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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.