Home / 3,919,669.56-5,409,295.83-2,177,471.24

Finding the Fourth Proportional to 3,919,669.56, 5,409,295.83 and 2,177,471.24

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Solution

The fourth proportional to 3,919,669.56, 5,409,295.83 and 2,177,471.24 is: 3,004,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,669.56 : 5,409,295.83 = 2,177,471.24 : x
  2. Step 2: Convert to fraction form
    3,919,669.56/5,409,295.83 = 2,177,471.24/x
  3. Step 3: Cross multiply
    3,919,669.56x = 5,409,295.83 × 2,177,471.24
  4. Step 4: Simplify right side
    3,919,669.56x = 11,778,586,071,430.45
  5. Step 5: Solve for x
    x = 11,778,586,071,430.45/3,919,669.56
  6. Step 6: Final answer
    x = 3,004,994.65

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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.