Home / 5,361,388.07-7,398,790.49-2,913,998.38

Finding the Fourth Proportional to 5,361,388.07, 7,398,790.49 and 2,913,998.38

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Solution

The fourth proportional to 5,361,388.07, 7,398,790.49 and 2,913,998.38 is: 4,021,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,388.07 : 7,398,790.49 = 2,913,998.38 : x
  2. Step 2: Convert to fraction form
    5,361,388.07/7,398,790.49 = 2,913,998.38/x
  3. Step 3: Cross multiply
    5,361,388.07x = 7,398,790.49 × 2,913,998.38
  4. Step 4: Simplify right side
    5,361,388.07x = 21,560,063,490,607.43
  5. Step 5: Solve for x
    x = 21,560,063,490,607.43/5,361,388.07
  6. Step 6: Final answer
    x = 4,021,358.50

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1.5x scale

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.