Home / 5,208,692.37-7,187,995.22-2,853,899.57

Finding the Fourth Proportional to 5,208,692.37, 7,187,995.22 and 2,853,899.57

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Solution

The fourth proportional to 5,208,692.37, 7,187,995.22 and 2,853,899.57 is: 3,938,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,692.37 : 7,187,995.22 = 2,853,899.57 : x
  2. Step 2: Convert to fraction form
    5,208,692.37/7,187,995.22 = 2,853,899.57/x
  3. Step 3: Cross multiply
    5,208,692.37x = 7,187,995.22 × 2,853,899.57
  4. Step 4: Simplify right side
    5,208,692.37x = 20,513,816,467,520.05
  5. Step 5: Solve for x
    x = 20,513,816,467,520.05/5,208,692.37
  6. Step 6: Final answer
    x = 3,938,381.27

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1.5x scale

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.