Home / 5,136,705.81-7,089,052.92-2,845,079.73

Finding the Fourth Proportional to 5,136,705.81, 7,089,052.92 and 2,845,079.73

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Solution

The fourth proportional to 5,136,705.81, 7,089,052.92 and 2,845,079.73 is: 3,926,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,705.81 : 7,089,052.92 = 2,845,079.73 : x
  2. Step 2: Convert to fraction form
    5,136,705.81/7,089,052.92 = 2,845,079.73/x
  3. Step 3: Cross multiply
    5,136,705.81x = 7,089,052.92 × 2,845,079.73
  4. Step 4: Simplify right side
    5,136,705.81x = 20,168,920,767,589.31
  5. Step 5: Solve for x
    x = 20,168,920,767,589.31/5,136,705.81
  6. Step 6: Final answer
    x = 3,926,430.97

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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.