Home / 1,538,103.54-2,307,648.19-1,076,961.87

Finding the Fourth Proportional to 1,538,103.54, 2,307,648.19 and 1,076,961.87

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Solution

The fourth proportional to 1,538,103.54, 2,307,648.19 and 1,076,961.87 is: 1,615,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,103.54 : 2,307,648.19 = 1,076,961.87 : x
  2. Step 2: Convert to fraction form
    1,538,103.54/2,307,648.19 = 1,076,961.87/x
  3. Step 3: Cross multiply
    1,538,103.54x = 2,307,648.19 × 1,076,961.87
  4. Step 4: Simplify right side
    1,538,103.54x = 2,485,249,102,841.15
  5. Step 5: Solve for x
    x = 2,485,249,102,841.15/1,538,103.54
  6. Step 6: Final answer
    x = 1,615,787.91

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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.