Home / 2,425,753.20-3,638,629.80-742,856.70

Finding the Fourth Proportional to 2,425,753.20, 3,638,629.80 and 742,856.70

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Solution

The fourth proportional to 2,425,753.20, 3,638,629.80 and 742,856.70 is: 1,114,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,753.20 : 3,638,629.80 = 742,856.70 : x
  2. Step 2: Convert to fraction form
    2,425,753.20/3,638,629.80 = 742,856.70/x
  3. Step 3: Cross multiply
    2,425,753.20x = 3,638,629.80 × 742,856.70
  4. Step 4: Simplify right side
    2,425,753.20x = 2,702,980,525,749.66
  5. Step 5: Solve for x
    x = 2,702,980,525,749.66/2,425,753.20
  6. Step 6: Final answer
    x = 1,114,285.05

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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.