Home / 4,781,285.40-7,171,928.10-1,789,080.60

Finding the Fourth Proportional to 4,781,285.40, 7,171,928.10 and 1,789,080.60

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Solution

The fourth proportional to 4,781,285.40, 7,171,928.10 and 1,789,080.60 is: 2,683,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781,285.40 : 7,171,928.10 = 1,789,080.60 : x
  2. Step 2: Convert to fraction form
    4,781,285.40/7,171,928.10 = 1,789,080.60/x
  3. Step 3: Cross multiply
    4,781,285.40x = 7,171,928.10 × 1,789,080.60
  4. Step 4: Simplify right side
    4,781,285.40x = 12,831,157,428,304.86
  5. Step 5: Solve for x
    x = 12,831,157,428,304.86/4,781,285.40
  6. Step 6: Final answer
    x = 2,683,620.90

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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.