Home / 2,939,571.29-4,409,355.30-917,988.48

Finding the Fourth Proportional to 2,939,571.29, 4,409,355.30 and 917,988.48

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Solution

The fourth proportional to 2,939,571.29, 4,409,355.30 and 917,988.48 is: 1,376,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,571.29 : 4,409,355.30 = 917,988.48 : x
  2. Step 2: Convert to fraction form
    2,939,571.29/4,409,355.30 = 917,988.48/x
  3. Step 3: Cross multiply
    2,939,571.29x = 4,409,355.30 × 917,988.48
  4. Step 4: Simplify right side
    2,939,571.29x = 4,047,737,369,626.94
  5. Step 5: Solve for x
    x = 4,047,737,369,626.94/2,939,571.29
  6. Step 6: Final answer
    x = 1,376,982.21

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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.