Home / 2,774,681.70-4,162,022.55-780,137.70

Finding the Fourth Proportional to 2,774,681.70, 4,162,022.55 and 780,137.70

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Solution

The fourth proportional to 2,774,681.70, 4,162,022.55 and 780,137.70 is: 1,170,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774,681.70 : 4,162,022.55 = 780,137.70 : x
  2. Step 2: Convert to fraction form
    2,774,681.70/4,162,022.55 = 780,137.70/x
  3. Step 3: Cross multiply
    2,774,681.70x = 4,162,022.55 × 780,137.70
  4. Step 4: Simplify right side
    2,774,681.70x = 3,246,950,699,505.14
  5. Step 5: Solve for x
    x = 3,246,950,699,505.14/2,774,681.70
  6. Step 6: Final answer
    x = 1,170,206.55

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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.