Home / 4,075,136.80-6,112,705.20-1,234,879.90

Finding the Fourth Proportional to 4,075,136.80, 6,112,705.20 and 1,234,879.90

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Solution

The fourth proportional to 4,075,136.80, 6,112,705.20 and 1,234,879.90 is: 1,852,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075,136.80 : 6,112,705.20 = 1,234,879.90 : x
  2. Step 2: Convert to fraction form
    4,075,136.80/6,112,705.20 = 1,234,879.90/x
  3. Step 3: Cross multiply
    4,075,136.80x = 6,112,705.20 × 1,234,879.90
  4. Step 4: Simplify right side
    4,075,136.80x = 7,548,456,786,105.48
  5. Step 5: Solve for x
    x = 7,548,456,786,105.48/4,075,136.80
  6. Step 6: Final answer
    x = 1,852,319.85

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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.