Home / 3,181,123.44-4,770,210.60-1,186,043.76

Finding the Fourth Proportional to 3,181,123.44, 4,770,210.60 and 1,186,043.76

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Solution

The fourth proportional to 3,181,123.44, 4,770,210.60 and 1,186,043.76 is: 1,778,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,123.44 : 4,770,210.60 = 1,186,043.76 : x
  2. Step 2: Convert to fraction form
    3,181,123.44/4,770,210.60 = 1,186,043.76/x
  3. Step 3: Cross multiply
    3,181,123.44x = 4,770,210.60 × 1,186,043.76
  4. Step 4: Simplify right side
    3,181,123.44x = 5,657,678,516,015.86
  5. Step 5: Solve for x
    x = 5,657,678,516,015.86/3,181,123.44
  6. Step 6: Final answer
    x = 1,778,515.87

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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.