Home / 3,913,856.16-5,401,160.62-2,194,939.76

Finding the Fourth Proportional to 3,913,856.16, 5,401,160.62 and 2,194,939.76

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Solution

The fourth proportional to 3,913,856.16, 5,401,160.62 and 2,194,939.76 is: 3,029,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,856.16 : 5,401,160.62 = 2,194,939.76 : x
  2. Step 2: Convert to fraction form
    3,913,856.16/5,401,160.62 = 2,194,939.76/x
  3. Step 3: Cross multiply
    3,913,856.16x = 5,401,160.62 × 2,194,939.76
  4. Step 4: Simplify right side
    3,913,856.16x = 11,855,222,194,984.25
  5. Step 5: Solve for x
    x = 11,855,222,194,984.25/3,913,856.16
  6. Step 6: Final answer
    x = 3,029,038.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.