Home / 3,630,865.80-5,446,298.70-1,640,209.80

Finding the Fourth Proportional to 3,630,865.80, 5,446,298.70 and 1,640,209.80

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Solution

The fourth proportional to 3,630,865.80, 5,446,298.70 and 1,640,209.80 is: 2,460,314.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,865.80 : 5,446,298.70 = 1,640,209.80 : x
  2. Step 2: Convert to fraction form
    3,630,865.80/5,446,298.70 = 1,640,209.80/x
  3. Step 3: Cross multiply
    3,630,865.80x = 5,446,298.70 × 1,640,209.80
  4. Step 4: Simplify right side
    3,630,865.80x = 8,933,072,501,467.26
  5. Step 5: Solve for x
    x = 8,933,072,501,467.26/3,630,865.80
  6. Step 6: Final answer
    x = 2,460,314.70

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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.