Home / 1,938,114.54-2,907,437.82-658,378.50

Finding the Fourth Proportional to 1,938,114.54, 2,907,437.82 and 658,378.50

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Solution

The fourth proportional to 1,938,114.54, 2,907,437.82 and 658,378.50 is: 987,658.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,114.54 : 2,907,437.82 = 658,378.50 : x
  2. Step 2: Convert to fraction form
    1,938,114.54/2,907,437.82 = 658,378.50/x
  3. Step 3: Cross multiply
    1,938,114.54x = 2,907,437.82 × 658,378.50
  4. Step 4: Simplify right side
    1,938,114.54x = 1,914,194,550,774.87
  5. Step 5: Solve for x
    x = 1,914,194,550,774.87/1,938,114.54
  6. Step 6: Final answer
    x = 987,658.11

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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.