Home / 2,182,790.11-2,990,436.06-2,100,973.43

Finding the Fourth Proportional to 2,182,790.11, 2,990,436.06 and 2,100,973.43

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Solution

The fourth proportional to 2,182,790.11, 2,990,436.06 and 2,100,973.43 is: 2,878,346.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,790.11 : 2,990,436.06 = 2,100,973.43 : x
  2. Step 2: Convert to fraction form
    2,182,790.11/2,990,436.06 = 2,100,973.43/x
  3. Step 3: Cross multiply
    2,182,790.11x = 2,990,436.06 × 2,100,973.43
  4. Step 4: Simplify right side
    2,182,790.11x = 6,282,826,692,889.45
  5. Step 5: Solve for x
    x = 6,282,826,692,889.45/2,182,790.11
  6. Step 6: Final answer
    x = 2,878,346.69

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.