Home / 3,162,518.28-4,744,239.66-918,364.68

Finding the Fourth Proportional to 3,162,518.28, 4,744,239.66 and 918,364.68

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Solution

The fourth proportional to 3,162,518.28, 4,744,239.66 and 918,364.68 is: 1,377,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,518.28 : 4,744,239.66 = 918,364.68 : x
  2. Step 2: Convert to fraction form
    3,162,518.28/4,744,239.66 = 918,364.68/x
  3. Step 3: Cross multiply
    3,162,518.28x = 4,744,239.66 × 918,364.68
  4. Step 4: Simplify right side
    3,162,518.28x = 4,356,942,137,199.21
  5. Step 5: Solve for x
    x = 4,356,942,137,199.21/3,162,518.28
  6. Step 6: Final answer
    x = 1,377,681.25

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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.