Home / 2,085,166.20-3,134,430.90-1,937,249.40

Finding the Fourth Proportional to 2,085,166.20, 3,134,430.90 and 1,937,249.40

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Solution

The fourth proportional to 2,085,166.20, 3,134,430.90 and 1,937,249.40 is: 2,912,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,166.20 : 3,134,430.90 = 1,937,249.40 : x
  2. Step 2: Convert to fraction form
    2,085,166.20/3,134,430.90 = 1,937,249.40/x
  3. Step 3: Cross multiply
    2,085,166.20x = 3,134,430.90 × 1,937,249.40
  4. Step 4: Simplify right side
    2,085,166.20x = 6,072,174,380,366.46
  5. Step 5: Solve for x
    x = 6,072,174,380,366.46/2,085,166.20
  6. Step 6: Final answer
    x = 2,912,081.72

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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.