Home / 2,990,766.68-4,127,328.78-1,632,649.40

Finding the Fourth Proportional to 2,990,766.68, 4,127,328.78 and 1,632,649.40

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Solution

The fourth proportional to 2,990,766.68, 4,127,328.78 and 1,632,649.40 is: 2,253,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,766.68 : 4,127,328.78 = 1,632,649.40 : x
  2. Step 2: Convert to fraction form
    2,990,766.68/4,127,328.78 = 1,632,649.40/x
  3. Step 3: Cross multiply
    2,990,766.68x = 4,127,328.78 × 1,632,649.40
  4. Step 4: Simplify right side
    2,990,766.68x = 6,738,480,856,269.73
  5. Step 5: Solve for x
    x = 6,738,480,856,269.73/2,990,766.68
  6. Step 6: Final answer
    x = 2,253,094.80

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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.