Home / 5,104,138-7,653,603.12-1,691,193.28

Finding the Fourth Proportional to 5,104,138, 7,653,603.12 and 1,691,193.28

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Solution

The fourth proportional to 5,104,138, 7,653,603.12 and 1,691,193.28 is: 2,535,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104,138 : 7,653,603.12 = 1,691,193.28 : x
  2. Step 2: Convert to fraction form
    5,104,138/7,653,603.12 = 1,691,193.28/x
  3. Step 3: Cross multiply
    5,104,138x = 7,653,603.12 × 1,691,193.28
  4. Step 4: Simplify right side
    5,104,138x = 12,943,722,164,331.03
  5. Step 5: Solve for x
    x = 12,943,722,164,331.03/5,104,138
  6. Step 6: Final answer
    x = 2,535,927.16

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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.