Home / 4,940,086.20-7,410,129.30-1,947,881.40

Finding the Fourth Proportional to 4,940,086.20, 7,410,129.30 and 1,947,881.40

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Solution

The fourth proportional to 4,940,086.20, 7,410,129.30 and 1,947,881.40 is: 2,921,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940,086.20 : 7,410,129.30 = 1,947,881.40 : x
  2. Step 2: Convert to fraction form
    4,940,086.20/7,410,129.30 = 1,947,881.40/x
  3. Step 3: Cross multiply
    4,940,086.20x = 7,410,129.30 × 1,947,881.40
  4. Step 4: Simplify right side
    4,940,086.20x = 14,434,053,035,065.02
  5. Step 5: Solve for x
    x = 14,434,053,035,065.02/4,940,086.20
  6. Step 6: Final answer
    x = 2,921,822.10

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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.