Home / 1,960,112.77-2,704,987.53-1,089,003.67

Finding the Fourth Proportional to 1,960,112.77, 2,704,987.53 and 1,089,003.67

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Solution

The fourth proportional to 1,960,112.77, 2,704,987.53 and 1,089,003.67 is: 1,502,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,112.77 : 2,704,987.53 = 1,089,003.67 : x
  2. Step 2: Convert to fraction form
    1,960,112.77/2,704,987.53 = 1,089,003.67/x
  3. Step 3: Cross multiply
    1,960,112.77x = 2,704,987.53 × 1,089,003.67
  4. Step 4: Simplify right side
    1,960,112.77x = 2,945,741,340,711.77
  5. Step 5: Solve for x
    x = 2,945,741,340,711.77/1,960,112.77
  6. Step 6: Final answer
    x = 1,502,842.79

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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.