Home / 5,361,965.40-8,043,004.15-2,124,290.96

Finding the Fourth Proportional to 5,361,965.40, 8,043,004.15 and 2,124,290.96

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Solution

The fourth proportional to 5,361,965.40, 8,043,004.15 and 2,124,290.96 is: 3,186,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,965.40 : 8,043,004.15 = 2,124,290.96 : x
  2. Step 2: Convert to fraction form
    5,361,965.40/8,043,004.15 = 2,124,290.96/x
  3. Step 3: Cross multiply
    5,361,965.40x = 8,043,004.15 × 2,124,290.96
  4. Step 4: Simplify right side
    5,361,965.40x = 17,085,681,036,964.90
  5. Step 5: Solve for x
    x = 17,085,681,036,964.90/5,361,965.40
  6. Step 6: Final answer
    x = 3,186,458.65

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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.