Home / 4,991,880.32-7,488,753.28-2,000,297.60

Finding the Fourth Proportional to 4,991,880.32, 7,488,753.28 and 2,000,297.60

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Solution

The fourth proportional to 4,991,880.32, 7,488,753.28 and 2,000,297.60 is: 3,000,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,880.32 : 7,488,753.28 = 2,000,297.60 : x
  2. Step 2: Convert to fraction form
    4,991,880.32/7,488,753.28 = 2,000,297.60/x
  3. Step 3: Cross multiply
    4,991,880.32x = 7,488,753.28 × 2,000,297.60
  4. Step 4: Simplify right side
    4,991,880.32x = 14,979,735,212,976.13
  5. Step 5: Solve for x
    x = 14,979,735,212,976.13/4,991,880.32
  6. Step 6: Final answer
    x = 3,000,820.18

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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.