Home / 2,688,276.40-4,032,414.60-2,422,855.60

Finding the Fourth Proportional to 2,688,276.40, 4,032,414.60 and 2,422,855.60

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Solution

The fourth proportional to 2,688,276.40, 4,032,414.60 and 2,422,855.60 is: 3,634,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,276.40 : 4,032,414.60 = 2,422,855.60 : x
  2. Step 2: Convert to fraction form
    2,688,276.40/4,032,414.60 = 2,422,855.60/x
  3. Step 3: Cross multiply
    2,688,276.40x = 4,032,414.60 × 2,422,855.60
  4. Step 4: Simplify right side
    2,688,276.40x = 9,769,958,295,131.76
  5. Step 5: Solve for x
    x = 9,769,958,295,131.76/2,688,276.40
  6. Step 6: Final answer
    x = 3,634,283.40

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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.