Home / 5,426,716.80-8,128,265.40-3,293,079.60

Finding the Fourth Proportional to 5,426,716.80, 8,128,265.40 and 3,293,079.60

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Solution

The fourth proportional to 5,426,716.80, 8,128,265.40 and 3,293,079.60 is: 4,932,452.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,716.80 : 8,128,265.40 = 3,293,079.60 : x
  2. Step 2: Convert to fraction form
    5,426,716.80/8,128,265.40 = 3,293,079.60/x
  3. Step 3: Cross multiply
    5,426,716.80x = 8,128,265.40 × 3,293,079.60
  4. Step 4: Simplify right side
    5,426,716.80x = 26,767,024,972,125.84
  5. Step 5: Solve for x
    x = 26,767,024,972,125.84/5,426,716.80
  6. Step 6: Final answer
    x = 4,932,452.89

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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.