Home / 5,430,936.51-8,146,404.54-1,387,433.16

Finding the Fourth Proportional to 5,430,936.51, 8,146,404.54 and 1,387,433.16

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Solution

The fourth proportional to 5,430,936.51, 8,146,404.54 and 1,387,433.16 is: 2,081,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,936.51 : 8,146,404.54 = 1,387,433.16 : x
  2. Step 2: Convert to fraction form
    5,430,936.51/8,146,404.54 = 1,387,433.16/x
  3. Step 3: Cross multiply
    5,430,936.51x = 8,146,404.54 × 1,387,433.16
  4. Step 4: Simplify right side
    5,430,936.51x = 11,302,591,793,570.54
  5. Step 5: Solve for x
    x = 11,302,591,793,570.54/5,430,936.51
  6. Step 6: Final answer
    x = 2,081,149.68

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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.