Home / 3,178,614.87-4,765,038.66-1,155,429.86

Finding the Fourth Proportional to 3,178,614.87, 4,765,038.66 and 1,155,429.86

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Solution

The fourth proportional to 3,178,614.87, 4,765,038.66 and 1,155,429.86 is: 1,732,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,614.87 : 4,765,038.66 = 1,155,429.86 : x
  2. Step 2: Convert to fraction form
    3,178,614.87/4,765,038.66 = 1,155,429.86/x
  3. Step 3: Cross multiply
    3,178,614.87x = 4,765,038.66 × 1,155,429.86
  4. Step 4: Simplify right side
    3,178,614.87x = 5,505,667,927,993.19
  5. Step 5: Solve for x
    x = 5,505,667,927,993.19/3,178,614.87
  6. Step 6: Final answer
    x = 1,732,096.57

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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.