Home / 6,401,987.72-8,834,618.88-3,501,369.60

Finding the Fourth Proportional to 6,401,987.72, 8,834,618.88 and 3,501,369.60

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Solution

The fourth proportional to 6,401,987.72, 8,834,618.88 and 3,501,369.60 is: 4,831,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401,987.72 : 8,834,618.88 = 3,501,369.60 : x
  2. Step 2: Convert to fraction form
    6,401,987.72/8,834,618.88 = 3,501,369.60/x
  3. Step 3: Cross multiply
    6,401,987.72x = 8,834,618.88 × 3,501,369.60
  4. Step 4: Simplify right side
    6,401,987.72x = 30,933,265,974,018.05
  5. Step 5: Solve for x
    x = 30,933,265,974,018.05/6,401,987.72
  6. Step 6: Final answer
    x = 4,831,822.14

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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.