Home / 3,457,729.78-4,771,664.28-1,908,993.58

Finding the Fourth Proportional to 3,457,729.78, 4,771,664.28 and 1,908,993.58

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Solution

The fourth proportional to 3,457,729.78, 4,771,664.28 and 1,908,993.58 is: 2,634,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,729.78 : 4,771,664.28 = 1,908,993.58 : x
  2. Step 2: Convert to fraction form
    3,457,729.78/4,771,664.28 = 1,908,993.58/x
  3. Step 3: Cross multiply
    3,457,729.78x = 4,771,664.28 × 1,908,993.58
  4. Step 4: Simplify right side
    3,457,729.78x = 9,109,076,476,435.32
  5. Step 5: Solve for x
    x = 9,109,076,476,435.32/3,457,729.78
  6. Step 6: Final answer
    x = 2,634,409.59

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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.