Home / 2,242,642.20-3,363,963.30-1,282,111.80

Finding the Fourth Proportional to 2,242,642.20, 3,363,963.30 and 1,282,111.80

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Solution

The fourth proportional to 2,242,642.20, 3,363,963.30 and 1,282,111.80 is: 1,923,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242,642.20 : 3,363,963.30 = 1,282,111.80 : x
  2. Step 2: Convert to fraction form
    2,242,642.20/3,363,963.30 = 1,282,111.80/x
  3. Step 3: Cross multiply
    2,242,642.20x = 3,363,963.30 × 1,282,111.80
  4. Step 4: Simplify right side
    2,242,642.20x = 4,312,977,041,696.94
  5. Step 5: Solve for x
    x = 4,312,977,041,696.94/2,242,642.20
  6. Step 6: Final answer
    x = 1,923,167.70

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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.