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Finding the Fourth Proportional to 7,094,168.65, 10,641,253.10 and 1,702,819.07

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Solution

The fourth proportional to 7,094,168.65, 10,641,253.10 and 1,702,819.07 is: 2,554,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094,168.65 : 10,641,253.10 = 1,702,819.07 : x
  2. Step 2: Convert to fraction form
    7,094,168.65/10,641,253.10 = 1,702,819.07/x
  3. Step 3: Cross multiply
    7,094,168.65x = 10,641,253.10 × 1,702,819.07
  4. Step 4: Simplify right side
    7,094,168.65x = 18,120,128,700,524.69
  5. Step 5: Solve for x
    x = 18,120,128,700,524.69/7,094,168.65
  6. Step 6: Final answer
    x = 2,554,228.63

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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.