Home / 1,938,692.55-2,899,938.85-1,362,275.44

Finding the Fourth Proportional to 1,938,692.55, 2,899,938.85 and 1,362,275.44

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Solution

The fourth proportional to 1,938,692.55, 2,899,938.85 and 1,362,275.44 is: 2,037,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,692.55 : 2,899,938.85 = 1,362,275.44 : x
  2. Step 2: Convert to fraction form
    1,938,692.55/2,899,938.85 = 1,362,275.44/x
  3. Step 3: Cross multiply
    1,938,692.55x = 2,899,938.85 × 1,362,275.44
  4. Step 4: Simplify right side
    1,938,692.55x = 3,950,515,472,856.84
  5. Step 5: Solve for x
    x = 3,950,515,472,856.84/1,938,692.55
  6. Step 6: Final answer
    x = 2,037,721.49

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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.