Home / 2,078,111.70-3,115,612.35-1,132,550.10

Finding the Fourth Proportional to 2,078,111.70, 3,115,612.35 and 1,132,550.10

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Solution

The fourth proportional to 2,078,111.70, 3,115,612.35 and 1,132,550.10 is: 1,697,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,111.70 : 3,115,612.35 = 1,132,550.10 : x
  2. Step 2: Convert to fraction form
    2,078,111.70/3,115,612.35 = 1,132,550.10/x
  3. Step 3: Cross multiply
    2,078,111.70x = 3,115,612.35 × 1,132,550.10
  4. Step 4: Simplify right side
    2,078,111.70x = 3,528,587,078,553.74
  5. Step 5: Solve for x
    x = 3,528,587,078,553.74/2,078,111.70
  6. Step 6: Final answer
    x = 1,697,977.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.