Home / 3,851,998.40-5,778,688.80-1,608,363.20

Finding the Fourth Proportional to 3,851,998.40, 5,778,688.80 and 1,608,363.20

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Solution

The fourth proportional to 3,851,998.40, 5,778,688.80 and 1,608,363.20 is: 2,412,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,998.40 : 5,778,688.80 = 1,608,363.20 : x
  2. Step 2: Convert to fraction form
    3,851,998.40/5,778,688.80 = 1,608,363.20/x
  3. Step 3: Cross multiply
    3,851,998.40x = 5,778,688.80 × 1,608,363.20
  4. Step 4: Simplify right side
    3,851,998.40x = 9,294,230,410,172.16
  5. Step 5: Solve for x
    x = 9,294,230,410,172.16/3,851,998.40
  6. Step 6: Final answer
    x = 2,412,833.40

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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.