Home / 3,688,883.28-5,091,125.40-2,238,495.12

Finding the Fourth Proportional to 3,688,883.28, 5,091,125.40 and 2,238,495.12

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Solution

The fourth proportional to 3,688,883.28, 5,091,125.40 and 2,238,495.12 is: 3,089,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,883.28 : 5,091,125.40 = 2,238,495.12 : x
  2. Step 2: Convert to fraction form
    3,688,883.28/5,091,125.40 = 2,238,495.12/x
  3. Step 3: Cross multiply
    3,688,883.28x = 5,091,125.40 × 2,238,495.12
  4. Step 4: Simplify right side
    3,688,883.28x = 11,396,459,363,208.05
  5. Step 5: Solve for x
    x = 11,396,459,363,208.05/3,688,883.28
  6. Step 6: Final answer
    x = 3,089,406.33

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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.