Home / 2,178,763.52-3,006,650.16-1,211,872.96

Finding the Fourth Proportional to 2,178,763.52, 3,006,650.16 and 1,211,872.96

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Solution

The fourth proportional to 2,178,763.52, 3,006,650.16 and 1,211,872.96 is: 1,672,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,763.52 : 3,006,650.16 = 1,211,872.96 : x
  2. Step 2: Convert to fraction form
    2,178,763.52/3,006,650.16 = 1,211,872.96/x
  3. Step 3: Cross multiply
    2,178,763.52x = 3,006,650.16 × 1,211,872.96
  4. Step 4: Simplify right side
    2,178,763.52x = 3,643,678,029,083.67
  5. Step 5: Solve for x
    x = 3,643,678,029,083.67/2,178,763.52
  6. Step 6: Final answer
    x = 1,672,360.49

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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.