Home / 1,879,631.10-2,593,948.80-1,105,121.43

Finding the Fourth Proportional to 1,879,631.10, 2,593,948.80 and 1,105,121.43

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Solution

The fourth proportional to 1,879,631.10, 2,593,948.80 and 1,105,121.43 is: 1,525,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,631.10 : 2,593,948.80 = 1,105,121.43 : x
  2. Step 2: Convert to fraction form
    1,879,631.10/2,593,948.80 = 1,105,121.43/x
  3. Step 3: Cross multiply
    1,879,631.10x = 2,593,948.80 × 1,105,121.43
  4. Step 4: Simplify right side
    1,879,631.10x = 2,866,628,407,202.78
  5. Step 5: Solve for x
    x = 2,866,628,407,202.78/1,879,631.10
  6. Step 6: Final answer
    x = 1,525,101.60

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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.