Home / 2,978,552.43-4,110,420.21-1,620,435.15

Finding the Fourth Proportional to 2,978,552.43, 4,110,420.21 and 1,620,435.15

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Solution

The fourth proportional to 2,978,552.43, 4,110,420.21 and 1,620,435.15 is: 2,236,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,552.43 : 4,110,420.21 = 1,620,435.15 : x
  2. Step 2: Convert to fraction form
    2,978,552.43/4,110,420.21 = 1,620,435.15/x
  3. Step 3: Cross multiply
    2,978,552.43x = 4,110,420.21 × 1,620,435.15
  4. Step 4: Simplify right side
    2,978,552.43x = 6,660,669,389,554.38
  5. Step 5: Solve for x
    x = 6,660,669,389,554.38/2,978,552.43
  6. Step 6: Final answer
    x = 2,236,210.22

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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.