Home / 2,765,087.80-4,147,631.70-770,543.80

Finding the Fourth Proportional to 2,765,087.80, 4,147,631.70 and 770,543.80

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Solution

The fourth proportional to 2,765,087.80, 4,147,631.70 and 770,543.80 is: 1,155,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,087.80 : 4,147,631.70 = 770,543.80 : x
  2. Step 2: Convert to fraction form
    2,765,087.80/4,147,631.70 = 770,543.80/x
  3. Step 3: Cross multiply
    2,765,087.80x = 4,147,631.70 × 770,543.80
  4. Step 4: Simplify right side
    2,765,087.80x = 3,195,931,891,118.46
  5. Step 5: Solve for x
    x = 3,195,931,891,118.46/2,765,087.80
  6. Step 6: Final answer
    x = 1,155,815.70

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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.