Home / 3,071,998.80-4,607,998.20-1,389,157.20

Finding the Fourth Proportional to 3,071,998.80, 4,607,998.20 and 1,389,157.20

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Solution

The fourth proportional to 3,071,998.80, 4,607,998.20 and 1,389,157.20 is: 2,083,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,998.80 : 4,607,998.20 = 1,389,157.20 : x
  2. Step 2: Convert to fraction form
    3,071,998.80/4,607,998.20 = 1,389,157.20/x
  3. Step 3: Cross multiply
    3,071,998.80x = 4,607,998.20 × 1,389,157.20
  4. Step 4: Simplify right side
    3,071,998.80x = 6,401,233,877,117.04
  5. Step 5: Solve for x
    x = 6,401,233,877,117.04/3,071,998.80
  6. Step 6: Final answer
    x = 2,083,735.80

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Similar ratio
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1.5x scale

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.