Home / 3,075,331.90-4,612,997.85-1,640,441.20

Finding the Fourth Proportional to 3,075,331.90, 4,612,997.85 and 1,640,441.20

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Solution

The fourth proportional to 3,075,331.90, 4,612,997.85 and 1,640,441.20 is: 2,460,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075,331.90 : 4,612,997.85 = 1,640,441.20 : x
  2. Step 2: Convert to fraction form
    3,075,331.90/4,612,997.85 = 1,640,441.20/x
  3. Step 3: Cross multiply
    3,075,331.90x = 4,612,997.85 × 1,640,441.20
  4. Step 4: Simplify right side
    3,075,331.90x = 7,567,351,728,651.42
  5. Step 5: Solve for x
    x = 7,567,351,728,651.42/3,075,331.90
  6. Step 6: Final answer
    x = 2,460,661.80

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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.