Home / 2,170,048.40-3,245,856.60-1,947,021.20

Finding the Fourth Proportional to 2,170,048.40, 3,245,856.60 and 1,947,021.20

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Solution

The fourth proportional to 2,170,048.40, 3,245,856.60 and 1,947,021.20 is: 2,912,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,048.40 : 3,245,856.60 = 1,947,021.20 : x
  2. Step 2: Convert to fraction form
    2,170,048.40/3,245,856.60 = 1,947,021.20/x
  3. Step 3: Cross multiply
    2,170,048.40x = 3,245,856.60 × 1,947,021.20
  4. Step 4: Simplify right side
    2,170,048.40x = 6,319,751,612,359.92
  5. Step 5: Solve for x
    x = 6,319,751,612,359.92/2,170,048.40
  6. Step 6: Final answer
    x = 2,912,262.98

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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.