Home / 3,600,638.42-5,401,494.65-1,325,988.32

Finding the Fourth Proportional to 3,600,638.42, 5,401,494.65 and 1,325,988.32

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Solution

The fourth proportional to 3,600,638.42, 5,401,494.65 and 1,325,988.32 is: 1,989,180.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600,638.42 : 5,401,494.65 = 1,325,988.32 : x
  2. Step 2: Convert to fraction form
    3,600,638.42/5,401,494.65 = 1,325,988.32/x
  3. Step 3: Cross multiply
    3,600,638.42x = 5,401,494.65 × 1,325,988.32
  4. Step 4: Simplify right side
    3,600,638.42x = 7,162,318,792,749.99
  5. Step 5: Solve for x
    x = 7,162,318,792,749.99/3,600,638.42
  6. Step 6: Final answer
    x = 1,989,180.24

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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.