Home / 3,160,870.12-4,741,317.48-764,710.90

Finding the Fourth Proportional to 3,160,870.12, 4,741,317.48 and 764,710.90

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Solution

The fourth proportional to 3,160,870.12, 4,741,317.48 and 764,710.90 is: 1,147,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,870.12 : 4,741,317.48 = 764,710.90 : x
  2. Step 2: Convert to fraction form
    3,160,870.12/4,741,317.48 = 764,710.90/x
  3. Step 3: Cross multiply
    3,160,870.12x = 4,741,317.48 × 764,710.90
  4. Step 4: Simplify right side
    3,160,870.12x = 3,625,737,157,316.53
  5. Step 5: Solve for x
    x = 3,625,737,157,316.53/3,160,870.12
  6. Step 6: Final answer
    x = 1,147,069.33

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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.