Home / 3,315,367.53-4,973,051.51-919,212.21

Finding the Fourth Proportional to 3,315,367.53, 4,973,051.51 and 919,212.21

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Solution

The fourth proportional to 3,315,367.53, 4,973,051.51 and 919,212.21 is: 1,378,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,367.53 : 4,973,051.51 = 919,212.21 : x
  2. Step 2: Convert to fraction form
    3,315,367.53/4,973,051.51 = 919,212.21/x
  3. Step 3: Cross multiply
    3,315,367.53x = 4,973,051.51 × 919,212.21
  4. Step 4: Simplify right side
    3,315,367.53x = 4,571,289,664,354.88
  5. Step 5: Solve for x
    x = 4,571,289,664,354.88/3,315,367.53
  6. Step 6: Final answer
    x = 1,378,818.37

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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.