Home / 2,141,516.56-3,207,992.10-1,288,117

Finding the Fourth Proportional to 2,141,516.56, 3,207,992.10 and 1,288,117

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Solution

The fourth proportional to 2,141,516.56, 3,207,992.10 and 1,288,117 is: 1,929,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,516.56 : 3,207,992.10 = 1,288,117 : x
  2. Step 2: Convert to fraction form
    2,141,516.56/3,207,992.10 = 1,288,117/x
  3. Step 3: Cross multiply
    2,141,516.56x = 3,207,992.10 × 1,288,117
  4. Step 4: Simplify right side
    2,141,516.56x = 4,132,269,159,875.70
  5. Step 5: Solve for x
    x = 4,132,269,159,875.70/2,141,516.56
  6. Step 6: Final answer
    x = 1,929,599.44

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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.