Home / 1,888,336.80-2,833,342.34-989,564.85

Finding the Fourth Proportional to 1,888,336.80, 2,833,342.34 and 989,564.85

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Solution

The fourth proportional to 1,888,336.80, 2,833,342.34 and 989,564.85 is: 1,484,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,336.80 : 2,833,342.34 = 989,564.85 : x
  2. Step 2: Convert to fraction form
    1,888,336.80/2,833,342.34 = 989,564.85/x
  3. Step 3: Cross multiply
    1,888,336.80x = 2,833,342.34 × 989,564.85
  4. Step 4: Simplify right side
    1,888,336.80x = 2,803,775,982,732.92
  5. Step 5: Solve for x
    x = 2,803,775,982,732.92/1,888,336.80
  6. Step 6: Final answer
    x = 1,484,785.97

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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.