Home / 2,874,475.86-4,302,745.40-2,117,172.44

Finding the Fourth Proportional to 2,874,475.86, 4,302,745.40 and 2,117,172.44

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Solution

The fourth proportional to 2,874,475.86, 4,302,745.40 and 2,117,172.44 is: 3,169,153.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874,475.86 : 4,302,745.40 = 2,117,172.44 : x
  2. Step 2: Convert to fraction form
    2,874,475.86/4,302,745.40 = 2,117,172.44/x
  3. Step 3: Cross multiply
    2,874,475.86x = 4,302,745.40 × 2,117,172.44
  4. Step 4: Simplify right side
    2,874,475.86x = 9,109,653,977,216.78
  5. Step 5: Solve for x
    x = 9,109,653,977,216.78/2,874,475.86
  6. Step 6: Final answer
    x = 3,169,153.06

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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.