Home / 3,638,428.60-5,457,659.10-942,562.30

Finding the Fourth Proportional to 3,638,428.60, 5,457,659.10 and 942,562.30

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Solution

The fourth proportional to 3,638,428.60, 5,457,659.10 and 942,562.30 is: 1,413,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,428.60 : 5,457,659.10 = 942,562.30 : x
  2. Step 2: Convert to fraction form
    3,638,428.60/5,457,659.10 = 942,562.30/x
  3. Step 3: Cross multiply
    3,638,428.60x = 5,457,659.10 × 942,562.30
  4. Step 4: Simplify right side
    3,638,428.60x = 5,144,183,713,911.93
  5. Step 5: Solve for x
    x = 5,144,183,713,911.93/3,638,428.60
  6. Step 6: Final answer
    x = 1,413,847.65

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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.