Home / 2,539,420.72-3,809,057.22-742,346.42

Finding the Fourth Proportional to 2,539,420.72, 3,809,057.22 and 742,346.42

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Solution

The fourth proportional to 2,539,420.72, 3,809,057.22 and 742,346.42 is: 1,113,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539,420.72 : 3,809,057.22 = 742,346.42 : x
  2. Step 2: Convert to fraction form
    2,539,420.72/3,809,057.22 = 742,346.42/x
  3. Step 3: Cross multiply
    2,539,420.72x = 3,809,057.22 × 742,346.42
  4. Step 4: Simplify right side
    2,539,420.72x = 2,827,639,990,842.15
  5. Step 5: Solve for x
    x = 2,827,639,990,842.15/2,539,420.72
  6. Step 6: Final answer
    x = 1,113,498.04

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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.