Home / 3,486,072.32-5,229,112.60-1,089,929.52

Finding the Fourth Proportional to 3,486,072.32, 5,229,112.60 and 1,089,929.52

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Solution

The fourth proportional to 3,486,072.32, 5,229,112.60 and 1,089,929.52 is: 1,634,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486,072.32 : 5,229,112.60 = 1,089,929.52 : x
  2. Step 2: Convert to fraction form
    3,486,072.32/5,229,112.60 = 1,089,929.52/x
  3. Step 3: Cross multiply
    3,486,072.32x = 5,229,112.60 × 1,089,929.52
  4. Step 4: Simplify right side
    3,486,072.32x = 5,699,364,186,143.95
  5. Step 5: Solve for x
    x = 5,699,364,186,143.95/3,486,072.32
  6. Step 6: Final answer
    x = 1,634,895.57

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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.