Home / 2,790,384.80-4,186,160.40-897,317.60

Finding the Fourth Proportional to 2,790,384.80, 4,186,160.40 and 897,317.60

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Solution

The fourth proportional to 2,790,384.80, 4,186,160.40 and 897,317.60 is: 1,346,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,384.80 : 4,186,160.40 = 897,317.60 : x
  2. Step 2: Convert to fraction form
    2,790,384.80/4,186,160.40 = 897,317.60/x
  3. Step 3: Cross multiply
    2,790,384.80x = 4,186,160.40 × 897,317.60
  4. Step 4: Simplify right side
    2,790,384.80x = 3,756,315,403,343.04
  5. Step 5: Solve for x
    x = 3,756,315,403,343.04/2,790,384.80
  6. Step 6: Final answer
    x = 1,346,163.94

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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.