Home / 2,790,473.80-4,185,710.70-897,406.60

Finding the Fourth Proportional to 2,790,473.80, 4,185,710.70 and 897,406.60

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Solution

The fourth proportional to 2,790,473.80, 4,185,710.70 and 897,406.60 is: 1,346,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,473.80 : 4,185,710.70 = 897,406.60 : x
  2. Step 2: Convert to fraction form
    2,790,473.80/4,185,710.70 = 897,406.60/x
  3. Step 3: Cross multiply
    2,790,473.80x = 4,185,710.70 × 897,406.60
  4. Step 4: Simplify right side
    2,790,473.80x = 3,756,284,407,870.62
  5. Step 5: Solve for x
    x = 3,756,284,407,870.62/2,790,473.80
  6. Step 6: Final answer
    x = 1,346,109.90

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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.