Home / 3,947,471.96-5,916,436.64-1,922,681.76

Finding the Fourth Proportional to 3,947,471.96, 5,916,436.64 and 1,922,681.76

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Solution

The fourth proportional to 3,947,471.96, 5,916,436.64 and 1,922,681.76 is: 2,881,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,471.96 : 5,916,436.64 = 1,922,681.76 : x
  2. Step 2: Convert to fraction form
    3,947,471.96/5,916,436.64 = 1,922,681.76/x
  3. Step 3: Cross multiply
    3,947,471.96x = 5,916,436.64 × 1,922,681.76
  4. Step 4: Simplify right side
    3,947,471.96x = 11,375,424,811,923.69
  5. Step 5: Solve for x
    x = 11,375,424,811,923.69/3,947,471.96
  6. Step 6: Final answer
    x = 2,881,698.70

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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.