Home / 2,091,950.76-3,137,920.98-1,180,720.12

Finding the Fourth Proportional to 2,091,950.76, 3,137,920.98 and 1,180,720.12

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Solution

The fourth proportional to 2,091,950.76, 3,137,920.98 and 1,180,720.12 is: 1,771,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,950.76 : 3,137,920.98 = 1,180,720.12 : x
  2. Step 2: Convert to fraction form
    2,091,950.76/3,137,920.98 = 1,180,720.12/x
  3. Step 3: Cross multiply
    2,091,950.76x = 3,137,920.98 × 1,180,720.12
  4. Step 4: Simplify right side
    2,091,950.76x = 3,705,006,436,056.12
  5. Step 5: Solve for x
    x = 3,705,006,436,056.12/2,091,950.76
  6. Step 6: Final answer
    x = 1,771,077.27

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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.