Home / 4,018,715.28-5,545,831.90-2,183,174.78

Finding the Fourth Proportional to 4,018,715.28, 5,545,831.90 and 2,183,174.78

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Solution

The fourth proportional to 4,018,715.28, 5,545,831.90 and 2,183,174.78 is: 3,012,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018,715.28 : 5,545,831.90 = 2,183,174.78 : x
  2. Step 2: Convert to fraction form
    4,018,715.28/5,545,831.90 = 2,183,174.78/x
  3. Step 3: Cross multiply
    4,018,715.28x = 5,545,831.90 × 2,183,174.78
  4. Step 4: Simplify right side
    4,018,715.28x = 12,107,520,338,199.48
  5. Step 5: Solve for x
    x = 12,107,520,338,199.48/4,018,715.28
  6. Step 6: Final answer
    x = 3,012,783.81

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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.