Home / 3,640,113.60-5,460,429.60-1,115,764.80

Finding the Fourth Proportional to 3,640,113.60, 5,460,429.60 and 1,115,764.80

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Solution

The fourth proportional to 3,640,113.60, 5,460,429.60 and 1,115,764.80 is: 1,673,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,113.60 : 5,460,429.60 = 1,115,764.80 : x
  2. Step 2: Convert to fraction form
    3,640,113.60/5,460,429.60 = 1,115,764.80/x
  3. Step 3: Cross multiply
    3,640,113.60x = 5,460,429.60 × 1,115,764.80
  4. Step 4: Simplify right side
    3,640,113.60x = 6,092,555,140,558.08
  5. Step 5: Solve for x
    x = 6,092,555,140,558.08/3,640,113.60
  6. Step 6: Final answer
    x = 1,673,726.65

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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.