Home / 3,315,367.51-4,973,051.50-919,212.21

Finding the Fourth Proportional to 3,315,367.51, 4,973,051.50 and 919,212.21

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Solution

The fourth proportional to 3,315,367.51, 4,973,051.50 and 919,212.21 is: 1,378,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,367.51 : 4,973,051.50 = 919,212.21 : x
  2. Step 2: Convert to fraction form
    3,315,367.51/4,973,051.50 = 919,212.21/x
  3. Step 3: Cross multiply
    3,315,367.51x = 4,973,051.50 × 919,212.21
  4. Step 4: Simplify right side
    3,315,367.51x = 4,571,289,657,460.78
  5. Step 5: Solve for x
    x = 4,571,289,657,460.78/3,315,367.51
  6. Step 6: Final answer
    x = 1,378,818.38

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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.