Home / 2,927,180.40-4,390,770.60-1,922,650.80

Finding the Fourth Proportional to 2,927,180.40, 4,390,770.60 and 1,922,650.80

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Solution

The fourth proportional to 2,927,180.40, 4,390,770.60 and 1,922,650.80 is: 2,883,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,180.40 : 4,390,770.60 = 1,922,650.80 : x
  2. Step 2: Convert to fraction form
    2,927,180.40/4,390,770.60 = 1,922,650.80/x
  3. Step 3: Cross multiply
    2,927,180.40x = 4,390,770.60 × 1,922,650.80
  4. Step 4: Simplify right side
    2,927,180.40x = 8,441,918,606,706.48
  5. Step 5: Solve for x
    x = 8,441,918,606,706.48/2,927,180.40
  6. Step 6: Final answer
    x = 2,883,976.20

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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.