Home / 5,146,262.72-7,097,193.60-3,212,701.28

Finding the Fourth Proportional to 5,146,262.72, 7,097,193.60 and 3,212,701.28

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Solution

The fourth proportional to 5,146,262.72, 7,097,193.60 and 3,212,701.28 is: 4,430,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,262.72 : 7,097,193.60 = 3,212,701.28 : x
  2. Step 2: Convert to fraction form
    5,146,262.72/7,097,193.60 = 3,212,701.28/x
  3. Step 3: Cross multiply
    5,146,262.72x = 7,097,193.60 × 3,212,701.28
  4. Step 4: Simplify right side
    5,146,262.72x = 22,801,162,963,127.80
  5. Step 5: Solve for x
    x = 22,801,162,963,127.80/5,146,262.72
  6. Step 6: Final answer
    x = 4,430,625.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.