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Finding the Fourth Proportional to 6,297,913.60, 9,432,873.60 and 4,873,350.40

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Solution

The fourth proportional to 6,297,913.60, 9,432,873.60 and 4,873,350.40 is: 7,299,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,297,913.60 : 9,432,873.60 = 4,873,350.40 : x
  2. Step 2: Convert to fraction form
    6,297,913.60/9,432,873.60 = 4,873,350.40/x
  3. Step 3: Cross multiply
    6,297,913.60x = 9,432,873.60 × 4,873,350.40
  4. Step 4: Simplify right side
    6,297,913.60x = 45,969,698,331,709.45
  5. Step 5: Solve for x
    x = 45,969,698,331,709.45/6,297,913.60
  6. Step 6: Final answer
    x = 7,299,194.82

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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.