Home / 2,021,126.80-3,031,690.20-1,835,122.45

Finding the Fourth Proportional to 2,021,126.80, 3,031,690.20 and 1,835,122.45

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Solution

The fourth proportional to 2,021,126.80, 3,031,690.20 and 1,835,122.45 is: 2,752,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,126.80 : 3,031,690.20 = 1,835,122.45 : x
  2. Step 2: Convert to fraction form
    2,021,126.80/3,031,690.20 = 1,835,122.45/x
  3. Step 3: Cross multiply
    2,021,126.80x = 3,031,690.20 × 1,835,122.45
  4. Step 4: Simplify right side
    2,021,126.80x = 5,563,522,747,464.99
  5. Step 5: Solve for x
    x = 5,563,522,747,464.99/2,021,126.80
  6. Step 6: Final answer
    x = 2,752,683.68

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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.