Home / 3,638,246.60-5,457,386.10-942,380.30

Finding the Fourth Proportional to 3,638,246.60, 5,457,386.10 and 942,380.30

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Solution

The fourth proportional to 3,638,246.60, 5,457,386.10 and 942,380.30 is: 1,413,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,246.60 : 5,457,386.10 = 942,380.30 : x
  2. Step 2: Convert to fraction form
    3,638,246.60/5,457,386.10 = 942,380.30/x
  3. Step 3: Cross multiply
    3,638,246.60x = 5,457,386.10 × 942,380.30
  4. Step 4: Simplify right side
    3,638,246.60x = 5,142,933,150,133.83
  5. Step 5: Solve for x
    x = 5,142,933,150,133.83/3,638,246.60
  6. Step 6: Final answer
    x = 1,413,574.65

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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.