Home / 1,888,532.96-2,833,636.24-989,760.80

Finding the Fourth Proportional to 1,888,532.96, 2,833,636.24 and 989,760.80

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Solution

The fourth proportional to 1,888,532.96, 2,833,636.24 and 989,760.80 is: 1,485,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,532.96 : 2,833,636.24 = 989,760.80 : x
  2. Step 2: Convert to fraction form
    1,888,532.96/2,833,636.24 = 989,760.80/x
  3. Step 3: Cross multiply
    1,888,532.96x = 2,833,636.24 × 989,760.80
  4. Step 4: Simplify right side
    1,888,532.96x = 2,804,622,071,811.39
  5. Step 5: Solve for x
    x = 2,804,622,071,811.39/1,888,532.96
  6. Step 6: Final answer
    x = 1,485,079.76

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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.