Home / 2,990,720.34-4,486,787.64-968,960.97

Finding the Fourth Proportional to 2,990,720.34, 4,486,787.64 and 968,960.97

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Solution

The fourth proportional to 2,990,720.34, 4,486,787.64 and 968,960.97 is: 1,453,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,720.34 : 4,486,787.64 = 968,960.97 : x
  2. Step 2: Convert to fraction form
    2,990,720.34/4,486,787.64 = 968,960.97/x
  3. Step 3: Cross multiply
    2,990,720.34x = 4,486,787.64 × 968,960.97
  4. Step 4: Simplify right side
    2,990,720.34x = 4,347,522,103,838.41
  5. Step 5: Solve for x
    x = 4,347,522,103,838.41/2,990,720.34
  6. Step 6: Final answer
    x = 1,453,670.56

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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.