Home / 5,385,745.44-7,432,320.23-2,938,356.70

Finding the Fourth Proportional to 5,385,745.44, 7,432,320.23 and 2,938,356.70

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Solution

The fourth proportional to 5,385,745.44, 7,432,320.23 and 2,938,356.70 is: 4,054,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,745.44 : 7,432,320.23 = 2,938,356.70 : x
  2. Step 2: Convert to fraction form
    5,385,745.44/7,432,320.23 = 2,938,356.70/x
  3. Step 3: Cross multiply
    5,385,745.44x = 7,432,320.23 × 2,938,356.70
  4. Step 4: Simplify right side
    5,385,745.44x = 21,838,807,976,436.83
  5. Step 5: Solve for x
    x = 21,838,807,976,436.83/5,385,745.44
  6. Step 6: Final answer
    x = 4,054,927.63

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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.