Home / 6,478,334.40-9,726,256.80-3,785,419.20

Finding the Fourth Proportional to 6,478,334.40, 9,726,256.80 and 3,785,419.20

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Solution

The fourth proportional to 6,478,334.40, 9,726,256.80 and 3,785,419.20 is: 5,683,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,334.40 : 9,726,256.80 = 3,785,419.20 : x
  2. Step 2: Convert to fraction form
    6,478,334.40/9,726,256.80 = 3,785,419.20/x
  3. Step 3: Cross multiply
    6,478,334.40x = 9,726,256.80 × 3,785,419.20
  4. Step 4: Simplify right side
    6,478,334.40x = 36,817,959,234,850.56
  5. Step 5: Solve for x
    x = 36,817,959,234,850.56/6,478,334.40
  6. Step 6: Final answer
    x = 5,683,244.64

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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.