Home / 2,017,387.20-3,021,933.60-1,387,012.80

Finding the Fourth Proportional to 2,017,387.20, 3,021,933.60 and 1,387,012.80

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Solution

The fourth proportional to 2,017,387.20, 3,021,933.60 and 1,387,012.80 is: 2,077,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,387.20 : 3,021,933.60 = 1,387,012.80 : x
  2. Step 2: Convert to fraction form
    2,017,387.20/3,021,933.60 = 1,387,012.80/x
  3. Step 3: Cross multiply
    2,017,387.20x = 3,021,933.60 × 1,387,012.80
  4. Step 4: Simplify right side
    2,017,387.20x = 4,191,460,583,950.08
  5. Step 5: Solve for x
    x = 4,191,460,583,950.08/2,017,387.20
  6. Step 6: Final answer
    x = 2,077,667.88

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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.