Home / 4,819,278.43-7,230,808.04-2,121,710.98

Finding the Fourth Proportional to 4,819,278.43, 7,230,808.04 and 2,121,710.98

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Solution

The fourth proportional to 4,819,278.43, 7,230,808.04 and 2,121,710.98 is: 3,183,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819,278.43 : 7,230,808.04 = 2,121,710.98 : x
  2. Step 2: Convert to fraction form
    4,819,278.43/7,230,808.04 = 2,121,710.98/x
  3. Step 3: Cross multiply
    4,819,278.43x = 7,230,808.04 × 2,121,710.98
  4. Step 4: Simplify right side
    4,819,278.43x = 15,341,684,812,740.28
  5. Step 5: Solve for x
    x = 15,341,684,812,740.28/4,819,278.43
  6. Step 6: Final answer
    x = 3,183,398.73

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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.