Home / 3,542,783.40-5,328,171.90-3,178,866.60

Finding the Fourth Proportional to 3,542,783.40, 5,328,171.90 and 3,178,866.60

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Solution

The fourth proportional to 3,542,783.40, 5,328,171.90 and 3,178,866.60 is: 4,780,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,783.40 : 5,328,171.90 = 3,178,866.60 : x
  2. Step 2: Convert to fraction form
    3,542,783.40/5,328,171.90 = 3,178,866.60/x
  3. Step 3: Cross multiply
    3,542,783.40x = 5,328,171.90 × 3,178,866.60
  4. Step 4: Simplify right side
    3,542,783.40x = 16,937,547,691,968.54
  5. Step 5: Solve for x
    x = 16,937,547,691,968.54/3,542,783.40
  6. Step 6: Final answer
    x = 4,780,858.94

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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.