Home / 2,639,482.92-3,959,404.10-842,501.67

Finding the Fourth Proportional to 2,639,482.92, 3,959,404.10 and 842,501.67

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Solution

The fourth proportional to 2,639,482.92, 3,959,404.10 and 842,501.67 is: 1,263,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,482.92 : 3,959,404.10 = 842,501.67 : x
  2. Step 2: Convert to fraction form
    2,639,482.92/3,959,404.10 = 842,501.67/x
  3. Step 3: Cross multiply
    2,639,482.92x = 3,959,404.10 × 842,501.67
  4. Step 4: Simplify right side
    2,639,482.92x = 3,335,804,550,553.95
  5. Step 5: Solve for x
    x = 3,335,804,550,553.95/2,639,482.92
  6. Step 6: Final answer
    x = 1,263,809.86

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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.