Home / 5,255,167.78-7,252,137.12-3,079,277.74

Finding the Fourth Proportional to 5,255,167.78, 7,252,137.12 and 3,079,277.74

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Solution

The fourth proportional to 5,255,167.78, 7,252,137.12 and 3,079,277.74 is: 4,249,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,167.78 : 7,252,137.12 = 3,079,277.74 : x
  2. Step 2: Convert to fraction form
    5,255,167.78/7,252,137.12 = 3,079,277.74/x
  3. Step 3: Cross multiply
    5,255,167.78x = 7,252,137.12 × 3,079,277.74
  4. Step 4: Simplify right side
    5,255,167.78x = 22,331,344,401,043.71
  5. Step 5: Solve for x
    x = 22,331,344,401,043.71/5,255,167.78
  6. Step 6: Final answer
    x = 4,249,406.55

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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.