Home / 2,685,225.42-4,028,209.34-863,641.91

Finding the Fourth Proportional to 2,685,225.42, 4,028,209.34 and 863,641.91

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Solution

The fourth proportional to 2,685,225.42, 4,028,209.34 and 863,641.91 is: 1,295,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,225.42 : 4,028,209.34 = 863,641.91 : x
  2. Step 2: Convert to fraction form
    2,685,225.42/4,028,209.34 = 863,641.91/x
  3. Step 3: Cross multiply
    2,685,225.42x = 4,028,209.34 × 863,641.91
  4. Step 4: Simplify right side
    2,685,225.42x = 3,478,930,414,029.75
  5. Step 5: Solve for x
    x = 3,478,930,414,029.75/2,685,225.42
  6. Step 6: Final answer
    x = 1,295,582.26

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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.