Home / 6,421,587.16-9,633,800.58-2,161,615

Finding the Fourth Proportional to 6,421,587.16, 9,633,800.58 and 2,161,615

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Solution

The fourth proportional to 6,421,587.16, 9,633,800.58 and 2,161,615 is: 3,242,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,587.16 : 9,633,800.58 = 2,161,615 : x
  2. Step 2: Convert to fraction form
    6,421,587.16/9,633,800.58 = 2,161,615/x
  3. Step 3: Cross multiply
    6,421,587.16x = 9,633,800.58 × 2,161,615
  4. Step 4: Simplify right side
    6,421,587.16x = 20,824,567,840,736.70
  5. Step 5: Solve for x
    x = 20,824,567,840,736.70/6,421,587.16
  6. Step 6: Final answer
    x = 3,242,900.44

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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.