Home / 2,145,128.60-3,214,928.10-1,644,008.60

Finding the Fourth Proportional to 2,145,128.60, 3,214,928.10 and 1,644,008.60

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Solution

The fourth proportional to 2,145,128.60, 3,214,928.10 and 1,644,008.60 is: 2,463,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,128.60 : 3,214,928.10 = 1,644,008.60 : x
  2. Step 2: Convert to fraction form
    2,145,128.60/3,214,928.10 = 1,644,008.60/x
  3. Step 3: Cross multiply
    2,145,128.60x = 3,214,928.10 × 1,644,008.60
  4. Step 4: Simplify right side
    2,145,128.60x = 5,285,369,444,781.66
  5. Step 5: Solve for x
    x = 5,285,369,444,781.66/2,145,128.60
  6. Step 6: Final answer
    x = 2,463,893.98

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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.