Home / 1,685,815.40-2,528,723.10-1,646,449.40

Finding the Fourth Proportional to 1,685,815.40, 2,528,723.10 and 1,646,449.40

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Solution

The fourth proportional to 1,685,815.40, 2,528,723.10 and 1,646,449.40 is: 2,469,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,815.40 : 2,528,723.10 = 1,646,449.40 : x
  2. Step 2: Convert to fraction form
    1,685,815.40/2,528,723.10 = 1,646,449.40/x
  3. Step 3: Cross multiply
    1,685,815.40x = 2,528,723.10 × 1,646,449.40
  4. Step 4: Simplify right side
    1,685,815.40x = 4,163,414,630,761.14
  5. Step 5: Solve for x
    x = 4,163,414,630,761.14/1,685,815.40
  6. Step 6: Final answer
    x = 2,469,674.10

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Similar ratio
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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.