Home / 5,384,559.80-8,076,839.70-3,872,905.40

Finding the Fourth Proportional to 5,384,559.80, 8,076,839.70 and 3,872,905.40

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Solution

The fourth proportional to 5,384,559.80, 8,076,839.70 and 3,872,905.40 is: 5,809,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,559.80 : 8,076,839.70 = 3,872,905.40 : x
  2. Step 2: Convert to fraction form
    5,384,559.80/8,076,839.70 = 3,872,905.40/x
  3. Step 3: Cross multiply
    5,384,559.80x = 8,076,839.70 × 3,872,905.40
  4. Step 4: Simplify right side
    5,384,559.80x = 31,280,836,089,064.38
  5. Step 5: Solve for x
    x = 31,280,836,089,064.38/5,384,559.80
  6. Step 6: Final answer
    x = 5,809,358.10

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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.