Home / 3,100,418.39-4,278,817.04-1,860,075.20

Finding the Fourth Proportional to 3,100,418.39, 4,278,817.04 and 1,860,075.20

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Solution

The fourth proportional to 3,100,418.39, 4,278,817.04 and 1,860,075.20 is: 2,567,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,418.39 : 4,278,817.04 = 1,860,075.20 : x
  2. Step 2: Convert to fraction form
    3,100,418.39/4,278,817.04 = 1,860,075.20/x
  3. Step 3: Cross multiply
    3,100,418.39x = 4,278,817.04 × 1,860,075.20
  4. Step 4: Simplify right side
    3,100,418.39x = 7,958,921,461,441.41
  5. Step 5: Solve for x
    x = 7,958,921,461,441.41/3,100,418.39
  6. Step 6: Final answer
    x = 2,567,047.56

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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.