Home / 5,136,982.80-7,089,154.20-2,814,097.20

Finding the Fourth Proportional to 5,136,982.80, 7,089,154.20 and 2,814,097.20

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Solution

The fourth proportional to 5,136,982.80, 7,089,154.20 and 2,814,097.20 is: 3,883,518.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,982.80 : 7,089,154.20 = 2,814,097.20 : x
  2. Step 2: Convert to fraction form
    5,136,982.80/7,089,154.20 = 2,814,097.20/x
  3. Step 3: Cross multiply
    5,136,982.80x = 7,089,154.20 × 2,814,097.20
  4. Step 4: Simplify right side
    5,136,982.80x = 19,949,568,984,588.24
  5. Step 5: Solve for x
    x = 19,949,568,984,588.24/5,136,982.80
  6. Step 6: Final answer
    x = 3,883,518.74

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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.