Home / 2,121,092.78-3,181,668.80-604,776.31

Finding the Fourth Proportional to 2,121,092.78, 3,181,668.80 and 604,776.31

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Solution

The fourth proportional to 2,121,092.78, 3,181,668.80 and 604,776.31 is: 907,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,092.78 : 3,181,668.80 = 604,776.31 : x
  2. Step 2: Convert to fraction form
    2,121,092.78/3,181,668.80 = 604,776.31/x
  3. Step 3: Cross multiply
    2,121,092.78x = 3,181,668.80 × 604,776.31
  4. Step 4: Simplify right side
    2,121,092.78x = 1,924,197,905,528.07
  5. Step 5: Solve for x
    x = 1,924,197,905,528.07/2,121,092.78
  6. Step 6: Final answer
    x = 907,172.91

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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.