Home / 1,664,339.40-2,493,009.90-1,384,403.40

Finding the Fourth Proportional to 1,664,339.40, 2,493,009.90 and 1,384,403.40

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Solution

The fourth proportional to 1,664,339.40, 2,493,009.90 and 1,384,403.40 is: 2,073,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,339.40 : 2,493,009.90 = 1,384,403.40 : x
  2. Step 2: Convert to fraction form
    1,664,339.40/2,493,009.90 = 1,384,403.40/x
  3. Step 3: Cross multiply
    1,664,339.40x = 2,493,009.90 × 1,384,403.40
  4. Step 4: Simplify right side
    1,664,339.40x = 3,451,331,381,793.66
  5. Step 5: Solve for x
    x = 3,451,331,381,793.66/1,664,339.40
  6. Step 6: Final answer
    x = 2,073,694.45

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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.