Home / 1,818,765.87-2,509,881.66-1,003,003.53

Finding the Fourth Proportional to 1,818,765.87, 2,509,881.66 and 1,003,003.53

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Solution

The fourth proportional to 1,818,765.87, 2,509,881.66 and 1,003,003.53 is: 1,384,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,765.87 : 2,509,881.66 = 1,003,003.53 : x
  2. Step 2: Convert to fraction form
    1,818,765.87/2,509,881.66 = 1,003,003.53/x
  3. Step 3: Cross multiply
    1,818,765.87x = 2,509,881.66 × 1,003,003.53
  4. Step 4: Simplify right side
    1,818,765.87x = 2,517,420,164,862.26
  5. Step 5: Solve for x
    x = 2,517,420,164,862.26/1,818,765.87
  6. Step 6: Final answer
    x = 1,384,136.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.