Home / 3,218,589.60-4,828,467.60-1,617,122.40

Finding the Fourth Proportional to 3,218,589.60, 4,828,467.60 and 1,617,122.40

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Solution

The fourth proportional to 3,218,589.60, 4,828,467.60 and 1,617,122.40 is: 2,425,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,589.60 : 4,828,467.60 = 1,617,122.40 : x
  2. Step 2: Convert to fraction form
    3,218,589.60/4,828,467.60 = 1,617,122.40/x
  3. Step 3: Cross multiply
    3,218,589.60x = 4,828,467.60 × 1,617,122.40
  4. Step 4: Simplify right side
    3,218,589.60x = 7,808,223,113,634.24
  5. Step 5: Solve for x
    x = 7,808,223,113,634.24/3,218,589.60
  6. Step 6: Final answer
    x = 2,425,976.62

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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.