Home / 6,478,331.38-9,716,500.71-2,160,457.06

Finding the Fourth Proportional to 6,478,331.38, 9,716,500.71 and 2,160,457.06

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Solution

The fourth proportional to 6,478,331.38, 9,716,500.71 and 2,160,457.06 is: 3,240,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,331.38 : 9,716,500.71 = 2,160,457.06 : x
  2. Step 2: Convert to fraction form
    6,478,331.38/9,716,500.71 = 2,160,457.06/x
  3. Step 3: Cross multiply
    6,478,331.38x = 9,716,500.71 × 2,160,457.06
  4. Step 4: Simplify right side
    6,478,331.38x = 20,992,082,557,414.52
  5. Step 5: Solve for x
    x = 20,992,082,557,414.52/6,478,331.38
  6. Step 6: Final answer
    x = 3,240,353.31

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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.