Home / 2,931,048.38-4,396,361.94-909,239.85

Finding the Fourth Proportional to 2,931,048.38, 4,396,361.94 and 909,239.85

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Solution

The fourth proportional to 2,931,048.38, 4,396,361.94 and 909,239.85 is: 1,363,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,048.38 : 4,396,361.94 = 909,239.85 : x
  2. Step 2: Convert to fraction form
    2,931,048.38/4,396,361.94 = 909,239.85/x
  3. Step 3: Cross multiply
    2,931,048.38x = 4,396,361.94 × 909,239.85
  4. Step 4: Simplify right side
    2,931,048.38x = 3,997,347,470,871.31
  5. Step 5: Solve for x
    x = 3,997,347,470,871.31/2,931,048.38
  6. Step 6: Final answer
    x = 1,363,794.43

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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.