Home / 2,989,762.20-4,485,299.40-968,099.40

Finding the Fourth Proportional to 2,989,762.20, 4,485,299.40 and 968,099.40

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Solution

The fourth proportional to 2,989,762.20, 4,485,299.40 and 968,099.40 is: 1,452,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,762.20 : 4,485,299.40 = 968,099.40 : x
  2. Step 2: Convert to fraction form
    2,989,762.20/4,485,299.40 = 968,099.40/x
  3. Step 3: Cross multiply
    2,989,762.20x = 4,485,299.40 × 968,099.40
  4. Step 4: Simplify right side
    2,989,762.20x = 4,342,215,657,960.36
  5. Step 5: Solve for x
    x = 4,342,215,657,960.36/2,989,762.20
  6. Step 6: Final answer
    x = 1,452,361.55

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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.