Home / 1,942,424.40-2,914,477.20-1,042,816.80

Finding the Fourth Proportional to 1,942,424.40, 2,914,477.20 and 1,042,816.80

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Solution

The fourth proportional to 1,942,424.40, 2,914,477.20 and 1,042,816.80 is: 1,564,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,424.40 : 2,914,477.20 = 1,042,816.80 : x
  2. Step 2: Convert to fraction form
    1,942,424.40/2,914,477.20 = 1,042,816.80/x
  3. Step 3: Cross multiply
    1,942,424.40x = 2,914,477.20 × 1,042,816.80
  4. Step 4: Simplify right side
    1,942,424.40x = 3,039,265,787,376.96
  5. Step 5: Solve for x
    x = 3,039,265,787,376.96/1,942,424.40
  6. Step 6: Final answer
    x = 1,564,676.49

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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.