Home / 2,085,139.70-3,134,391.15-1,937,222.90

Finding the Fourth Proportional to 2,085,139.70, 3,134,391.15 and 1,937,222.90

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Solution

The fourth proportional to 2,085,139.70, 3,134,391.15 and 1,937,222.90 is: 2,912,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,139.70 : 3,134,391.15 = 1,937,222.90 : x
  2. Step 2: Convert to fraction form
    2,085,139.70/3,134,391.15 = 1,937,222.90/x
  3. Step 3: Cross multiply
    2,085,139.70x = 3,134,391.15 × 1,937,222.90
  4. Step 4: Simplify right side
    2,085,139.70x = 6,072,014,313,337.34
  5. Step 5: Solve for x
    x = 6,072,014,313,337.34/2,085,139.70
  6. Step 6: Final answer
    x = 2,912,041.97

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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.