Home / 5,280,023.21-7,286,435.06-2,865,575.21

Finding the Fourth Proportional to 5,280,023.21, 7,286,435.06 and 2,865,575.21

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Solution

The fourth proportional to 5,280,023.21, 7,286,435.06 and 2,865,575.21 is: 3,954,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,023.21 : 7,286,435.06 = 2,865,575.21 : x
  2. Step 2: Convert to fraction form
    5,280,023.21/7,286,435.06 = 2,865,575.21/x
  3. Step 3: Cross multiply
    5,280,023.21x = 7,286,435.06 × 2,865,575.21
  4. Step 4: Simplify right side
    5,280,023.21x = 20,879,827,626,450.81
  5. Step 5: Solve for x
    x = 20,879,827,626,450.81/5,280,023.21
  6. Step 6: Final answer
    x = 3,954,495.43

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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.