Home / 2,990,063.61-4,126,073.76-1,683,248.11

Finding the Fourth Proportional to 2,990,063.61, 4,126,073.76 and 1,683,248.11

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Solution

The fourth proportional to 2,990,063.61, 4,126,073.76 and 1,683,248.11 is: 2,322,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,063.61 : 4,126,073.76 = 1,683,248.11 : x
  2. Step 2: Convert to fraction form
    2,990,063.61/4,126,073.76 = 1,683,248.11/x
  3. Step 3: Cross multiply
    2,990,063.61x = 4,126,073.76 × 1,683,248.11
  4. Step 4: Simplify right side
    2,990,063.61x = 6,945,205,858,240.59
  5. Step 5: Solve for x
    x = 6,945,205,858,240.59/2,990,063.61
  6. Step 6: Final answer
    x = 2,322,761.91

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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.