Home / 1,818,195.75-2,509,109.33-1,043,876.53

Finding the Fourth Proportional to 1,818,195.75, 2,509,109.33 and 1,043,876.53

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Solution

The fourth proportional to 1,818,195.75, 2,509,109.33 and 1,043,876.53 is: 1,440,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,195.75 : 2,509,109.33 = 1,043,876.53 : x
  2. Step 2: Convert to fraction form
    1,818,195.75/2,509,109.33 = 1,043,876.53/x
  3. Step 3: Cross multiply
    1,818,195.75x = 2,509,109.33 × 1,043,876.53
  4. Step 4: Simplify right side
    1,818,195.75x = 2,619,200,337,127.94
  5. Step 5: Solve for x
    x = 2,619,200,337,127.94/1,818,195.75
  6. Step 6: Final answer
    x = 1,440,549.15

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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.