Home / 5,728,726.39-7,905,850.28-3,281,810.35

Finding the Fourth Proportional to 5,728,726.39, 7,905,850.28 and 3,281,810.35

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Solution

The fourth proportional to 5,728,726.39, 7,905,850.28 and 3,281,810.35 is: 4,529,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728,726.39 : 7,905,850.28 = 3,281,810.35 : x
  2. Step 2: Convert to fraction form
    5,728,726.39/7,905,850.28 = 3,281,810.35/x
  3. Step 3: Cross multiply
    5,728,726.39x = 7,905,850.28 × 3,281,810.35
  4. Step 4: Simplify right side
    5,728,726.39x = 25,945,501,274,454.40
  5. Step 5: Solve for x
    x = 25,945,501,274,454.40/5,728,726.39
  6. Step 6: Final answer
    x = 4,529,017.36

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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.