Home / 2,448,323.90-3,669,861.45-931,420.70

Finding the Fourth Proportional to 2,448,323.90, 3,669,861.45 and 931,420.70

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Solution

The fourth proportional to 2,448,323.90, 3,669,861.45 and 931,420.70 is: 1,396,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448,323.90 : 3,669,861.45 = 931,420.70 : x
  2. Step 2: Convert to fraction form
    2,448,323.90/3,669,861.45 = 931,420.70/x
  3. Step 3: Cross multiply
    2,448,323.90x = 3,669,861.45 × 931,420.70
  4. Step 4: Simplify right side
    2,448,323.90x = 3,418,184,920,662.02
  5. Step 5: Solve for x
    x = 3,418,184,920,662.02/2,448,323.90
  6. Step 6: Final answer
    x = 1,396,132.64

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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.