Home / 6,647,165.40-9,970,748.10-2,159,441.40

Finding the Fourth Proportional to 6,647,165.40, 9,970,748.10 and 2,159,441.40

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Solution

The fourth proportional to 6,647,165.40, 9,970,748.10 and 2,159,441.40 is: 3,239,162.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,165.40 : 9,970,748.10 = 2,159,441.40 : x
  2. Step 2: Convert to fraction form
    6,647,165.40/9,970,748.10 = 2,159,441.40/x
  3. Step 3: Cross multiply
    6,647,165.40x = 9,970,748.10 × 2,159,441.40
  4. Step 4: Simplify right side
    6,647,165.40x = 21,531,246,236,111.34
  5. Step 5: Solve for x
    x = 21,531,246,236,111.34/6,647,165.40
  6. Step 6: Final answer
    x = 3,239,162.10

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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.