Home / 5,643,335.41-7,787,327.45-3,128,777.43

Finding the Fourth Proportional to 5,643,335.41, 7,787,327.45 and 3,128,777.43

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Solution

The fourth proportional to 5,643,335.41, 7,787,327.45 and 3,128,777.43 is: 4,317,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,335.41 : 7,787,327.45 = 3,128,777.43 : x
  2. Step 2: Convert to fraction form
    5,643,335.41/7,787,327.45 = 3,128,777.43/x
  3. Step 3: Cross multiply
    5,643,335.41x = 7,787,327.45 × 3,128,777.43
  4. Step 4: Simplify right side
    5,643,335.41x = 24,364,814,363,167.55
  5. Step 5: Solve for x
    x = 24,364,814,363,167.55/5,643,335.41
  6. Step 6: Final answer
    x = 4,317,449.27

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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.