Home / 5,692,145.80-7,855,137.72-3,078,652.78

Finding the Fourth Proportional to 5,692,145.80, 7,855,137.72 and 3,078,652.78

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Solution

The fourth proportional to 5,692,145.80, 7,855,137.72 and 3,078,652.78 is: 4,248,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692,145.80 : 7,855,137.72 = 3,078,652.78 : x
  2. Step 2: Convert to fraction form
    5,692,145.80/7,855,137.72 = 3,078,652.78/x
  3. Step 3: Cross multiply
    5,692,145.80x = 7,855,137.72 × 3,078,652.78
  4. Step 4: Simplify right side
    5,692,145.80x = 24,183,241,578,960.86
  5. Step 5: Solve for x
    x = 24,183,241,578,960.86/5,692,145.80
  6. Step 6: Final answer
    x = 4,248,528.13

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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.