Home / 5,309,000.20-7,965,468.60-2,116,417.60

Finding the Fourth Proportional to 5,309,000.20, 7,965,468.60 and 2,116,417.60

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Solution

The fourth proportional to 5,309,000.20, 7,965,468.60 and 2,116,417.60 is: 3,175,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309,000.20 : 7,965,468.60 = 2,116,417.60 : x
  2. Step 2: Convert to fraction form
    5,309,000.20/7,965,468.60 = 2,116,417.60/x
  3. Step 3: Cross multiply
    5,309,000.20x = 7,965,468.60 × 2,116,417.60
  4. Step 4: Simplify right side
    5,309,000.20x = 16,858,257,937,287.36
  5. Step 5: Solve for x
    x = 16,858,257,937,287.36/5,309,000.20
  6. Step 6: Final answer
    x = 3,175,411.06

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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.