Home / 2,617,487.40-3,923,315.10-1,019,519.40

Finding the Fourth Proportional to 2,617,487.40, 3,923,315.10 and 1,019,519.40

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Solution

The fourth proportional to 2,617,487.40, 3,923,315.10 and 1,019,519.40 is: 1,528,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,487.40 : 3,923,315.10 = 1,019,519.40 : x
  2. Step 2: Convert to fraction form
    2,617,487.40/3,923,315.10 = 1,019,519.40/x
  3. Step 3: Cross multiply
    2,617,487.40x = 3,923,315.10 × 1,019,519.40
  4. Step 4: Simplify right side
    2,617,487.40x = 3,999,895,856,762.94
  5. Step 5: Solve for x
    x = 3,999,895,856,762.94/2,617,487.40
  6. Step 6: Final answer
    x = 1,528,143.31

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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.