Home / 4,089,934.98-5,642,036.06-3,121,383.76

Finding the Fourth Proportional to 4,089,934.98, 5,642,036.06 and 3,121,383.76

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Solution

The fourth proportional to 4,089,934.98, 5,642,036.06 and 3,121,383.76 is: 4,305,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089,934.98 : 5,642,036.06 = 3,121,383.76 : x
  2. Step 2: Convert to fraction form
    4,089,934.98/5,642,036.06 = 3,121,383.76/x
  3. Step 3: Cross multiply
    4,089,934.98x = 5,642,036.06 × 3,121,383.76
  4. Step 4: Simplify right side
    4,089,934.98x = 17,610,959,701,306.38
  5. Step 5: Solve for x
    x = 17,610,959,701,306.38/4,089,934.98
  6. Step 6: Final answer
    x = 4,305,926.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.