Home / 3,986,019.21-5,500,880.69-2,243,800.92

Finding the Fourth Proportional to 3,986,019.21, 5,500,880.69 and 2,243,800.92

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Solution

The fourth proportional to 3,986,019.21, 5,500,880.69 and 2,243,800.92 is: 3,096,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,019.21 : 5,500,880.69 = 2,243,800.92 : x
  2. Step 2: Convert to fraction form
    3,986,019.21/5,500,880.69 = 2,243,800.92/x
  3. Step 3: Cross multiply
    3,986,019.21x = 5,500,880.69 × 2,243,800.92
  4. Step 4: Simplify right side
    3,986,019.21x = 12,342,881,153,032.23
  5. Step 5: Solve for x
    x = 12,342,881,153,032.23/3,986,019.21
  6. Step 6: Final answer
    x = 3,096,543.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.