Home / 3,119,975.20-4,670,631.60-1,857,152.80

Finding the Fourth Proportional to 3,119,975.20, 4,670,631.60 and 1,857,152.80

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Solution

The fourth proportional to 3,119,975.20, 4,670,631.60 and 1,857,152.80 is: 2,780,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,975.20 : 4,670,631.60 = 1,857,152.80 : x
  2. Step 2: Convert to fraction form
    3,119,975.20/4,670,631.60 = 1,857,152.80/x
  3. Step 3: Cross multiply
    3,119,975.20x = 4,670,631.60 × 1,857,152.80
  4. Step 4: Simplify right side
    3,119,975.20x = 8,674,076,553,708.48
  5. Step 5: Solve for x
    x = 8,674,076,553,708.48/3,119,975.20
  6. Step 6: Final answer
    x = 2,780,174.84

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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.