Home / 1,888,013.44-2,829,822.16-1,078,965.20

Finding the Fourth Proportional to 1,888,013.44, 2,829,822.16 and 1,078,965.20

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Solution

The fourth proportional to 1,888,013.44, 2,829,822.16 and 1,078,965.20 is: 1,617,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,013.44 : 2,829,822.16 = 1,078,965.20 : x
  2. Step 2: Convert to fraction form
    1,888,013.44/2,829,822.16 = 1,078,965.20/x
  3. Step 3: Cross multiply
    1,888,013.44x = 2,829,822.16 × 1,078,965.20
  4. Step 4: Simplify right side
    1,888,013.44x = 3,053,279,632,828.83
  5. Step 5: Solve for x
    x = 3,053,279,632,828.83/1,888,013.44
  6. Step 6: Final answer
    x = 1,617,191.68

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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.