Home / 2,685,284.10-4,030,129.35-2,664,288.90

Finding the Fourth Proportional to 2,685,284.10, 4,030,129.35 and 2,664,288.90

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Solution

The fourth proportional to 2,685,284.10, 4,030,129.35 and 2,664,288.90 is: 3,998,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,284.10 : 4,030,129.35 = 2,664,288.90 : x
  2. Step 2: Convert to fraction form
    2,685,284.10/4,030,129.35 = 2,664,288.90/x
  3. Step 3: Cross multiply
    2,685,284.10x = 4,030,129.35 × 2,664,288.90
  4. Step 4: Simplify right side
    2,685,284.10x = 10,737,428,892,769.21
  5. Step 5: Solve for x
    x = 10,737,428,892,769.21/2,685,284.10
  6. Step 6: Final answer
    x = 3,998,619.32

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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.