Home / 3,435,542.40-5,153,313.60-2,640,835.20

Finding the Fourth Proportional to 3,435,542.40, 5,153,313.60 and 2,640,835.20

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Solution

The fourth proportional to 3,435,542.40, 5,153,313.60 and 2,640,835.20 is: 3,961,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,542.40 : 5,153,313.60 = 2,640,835.20 : x
  2. Step 2: Convert to fraction form
    3,435,542.40/5,153,313.60 = 2,640,835.20/x
  3. Step 3: Cross multiply
    3,435,542.40x = 5,153,313.60 × 2,640,835.20
  4. Step 4: Simplify right side
    3,435,542.40x = 13,609,051,951,518.72
  5. Step 5: Solve for x
    x = 13,609,051,951,518.72/3,435,542.40
  6. Step 6: Final answer
    x = 3,961,252.80

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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.