Home / 1,960,781.58-2,705,819.65-1,089,613.35

Finding the Fourth Proportional to 1,960,781.58, 2,705,819.65 and 1,089,613.35

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Solution

The fourth proportional to 1,960,781.58, 2,705,819.65 and 1,089,613.35 is: 1,503,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,781.58 : 2,705,819.65 = 1,089,613.35 : x
  2. Step 2: Convert to fraction form
    1,960,781.58/2,705,819.65 = 1,089,613.35/x
  3. Step 3: Cross multiply
    1,960,781.58x = 2,705,819.65 × 1,089,613.35
  4. Step 4: Simplify right side
    1,960,781.58x = 2,948,297,210,608.29
  5. Step 5: Solve for x
    x = 2,948,297,210,608.29/1,960,781.58
  6. Step 6: Final answer
    x = 1,503,633.67

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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.