Home / 3,119,214.80-4,679,268.60-960,422.60

Finding the Fourth Proportional to 3,119,214.80, 4,679,268.60 and 960,422.60

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Solution

The fourth proportional to 3,119,214.80, 4,679,268.60 and 960,422.60 is: 1,440,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,214.80 : 4,679,268.60 = 960,422.60 : x
  2. Step 2: Convert to fraction form
    3,119,214.80/4,679,268.60 = 960,422.60/x
  3. Step 3: Cross multiply
    3,119,214.80x = 4,679,268.60 × 960,422.60
  4. Step 4: Simplify right side
    3,119,214.80x = 4,494,075,314,910.36
  5. Step 5: Solve for x
    x = 4,494,075,314,910.36/3,119,214.80
  6. Step 6: Final answer
    x = 1,440,771.35

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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.