Home / 6,401,639.64-9,607,507.56-2,809,885.80

Finding the Fourth Proportional to 6,401,639.64, 9,607,507.56 and 2,809,885.80

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Solution

The fourth proportional to 6,401,639.64, 9,607,507.56 and 2,809,885.80 is: 4,217,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401,639.64 : 9,607,507.56 = 2,809,885.80 : x
  2. Step 2: Convert to fraction form
    6,401,639.64/9,607,507.56 = 2,809,885.80/x
  3. Step 3: Cross multiply
    6,401,639.64x = 9,607,507.56 × 2,809,885.80
  4. Step 4: Simplify right side
    6,401,639.64x = 26,995,999,066,236.65
  5. Step 5: Solve for x
    x = 26,995,999,066,236.65/6,401,639.64
  6. Step 6: Final answer
    x = 4,217,044.47

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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.