Home / 6,457,068.11-9,686,968.43-2,138,874

Finding the Fourth Proportional to 6,457,068.11, 9,686,968.43 and 2,138,874

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Solution

The fourth proportional to 6,457,068.11, 9,686,968.43 and 2,138,874 is: 3,208,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457,068.11 : 9,686,968.43 = 2,138,874 : x
  2. Step 2: Convert to fraction form
    6,457,068.11/9,686,968.43 = 2,138,874/x
  3. Step 3: Cross multiply
    6,457,068.11x = 9,686,968.43 × 2,138,874
  4. Step 4: Simplify right side
    6,457,068.11x = 20,719,204,903,053.45
  5. Step 5: Solve for x
    x = 20,719,204,903,053.45/6,457,068.11
  6. Step 6: Final answer
    x = 3,208,763.57

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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.