Home / 1,928,692.78-2,893,033.40-489,373.41

Finding the Fourth Proportional to 1,928,692.78, 2,893,033.40 and 489,373.41

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Solution

The fourth proportional to 1,928,692.78, 2,893,033.40 and 489,373.41 is: 734,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,692.78 : 2,893,033.40 = 489,373.41 : x
  2. Step 2: Convert to fraction form
    1,928,692.78/2,893,033.40 = 489,373.41/x
  3. Step 3: Cross multiply
    1,928,692.78x = 2,893,033.40 × 489,373.41
  4. Step 4: Simplify right side
    1,928,692.78x = 1,415,773,620,201.89
  5. Step 5: Solve for x
    x = 1,415,773,620,201.89/1,928,692.78
  6. Step 6: Final answer
    x = 734,058.65

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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.