Home / 2,179,226.61-3,007,373.10-1,212,446.85

Finding the Fourth Proportional to 2,179,226.61, 3,007,373.10 and 1,212,446.85

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Solution

The fourth proportional to 2,179,226.61, 3,007,373.10 and 1,212,446.85 is: 1,673,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,226.61 : 3,007,373.10 = 1,212,446.85 : x
  2. Step 2: Convert to fraction form
    2,179,226.61/3,007,373.10 = 1,212,446.85/x
  3. Step 3: Cross multiply
    2,179,226.61x = 3,007,373.10 × 1,212,446.85
  4. Step 4: Simplify right side
    2,179,226.61x = 3,646,280,041,869.74
  5. Step 5: Solve for x
    x = 3,646,280,041,869.74/2,179,226.61
  6. Step 6: Final answer
    x = 1,673,199.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.