Home / 3,315,926.68-4,973,890.01-919,771.31

Finding the Fourth Proportional to 3,315,926.68, 4,973,890.01 and 919,771.31

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Solution

The fourth proportional to 3,315,926.68, 4,973,890.01 and 919,771.31 is: 1,379,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,926.68 : 4,973,890.01 = 919,771.31 : x
  2. Step 2: Convert to fraction form
    3,315,926.68/4,973,890.01 = 919,771.31/x
  3. Step 3: Cross multiply
    3,315,926.68x = 4,973,890.01 × 919,771.31
  4. Step 4: Simplify right side
    3,315,926.68x = 4,574,841,338,129.48
  5. Step 5: Solve for x
    x = 4,574,841,338,129.48/3,315,926.68
  6. Step 6: Final answer
    x = 1,379,656.97

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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.