Home / 2,769,343.90-4,155,871.42-972,232.71

Finding the Fourth Proportional to 2,769,343.90, 4,155,871.42 and 972,232.71

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Solution

The fourth proportional to 2,769,343.90, 4,155,871.42 and 972,232.71 is: 1,459,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769,343.90 : 4,155,871.42 = 972,232.71 : x
  2. Step 2: Convert to fraction form
    2,769,343.90/4,155,871.42 = 972,232.71/x
  3. Step 3: Cross multiply
    2,769,343.90x = 4,155,871.42 × 972,232.71
  4. Step 4: Simplify right side
    2,769,343.90x = 4,040,474,118,708.92
  5. Step 5: Solve for x
    x = 4,040,474,118,708.92/2,769,343.90
  6. Step 6: Final answer
    x = 1,459,000.50

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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.