Home / 3,457,728.78-4,771,662.90-1,908,992.58

Finding the Fourth Proportional to 3,457,728.78, 4,771,662.90 and 1,908,992.58

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Solution

The fourth proportional to 3,457,728.78, 4,771,662.90 and 1,908,992.58 is: 2,634,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,728.78 : 4,771,662.90 = 1,908,992.58 : x
  2. Step 2: Convert to fraction form
    3,457,728.78/4,771,662.90 = 1,908,992.58/x
  3. Step 3: Cross multiply
    3,457,728.78x = 4,771,662.90 × 1,908,992.58
  4. Step 4: Simplify right side
    3,457,728.78x = 9,109,069,070,361.28
  5. Step 5: Solve for x
    x = 9,109,069,070,361.28/3,457,728.78
  6. Step 6: Final answer
    x = 2,634,408.21

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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.