Home / 5,692,146.30-7,855,138.40-3,078,653.28

Finding the Fourth Proportional to 5,692,146.30, 7,855,138.40 and 3,078,653.28

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Solution

The fourth proportional to 5,692,146.30, 7,855,138.40 and 3,078,653.28 is: 4,248,528.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692,146.30 : 7,855,138.40 = 3,078,653.28 : x
  2. Step 2: Convert to fraction form
    5,692,146.30/7,855,138.40 = 3,078,653.28/x
  3. Step 3: Cross multiply
    5,692,146.30x = 7,855,138.40 × 3,078,653.28
  4. Step 4: Simplify right side
    5,692,146.30x = 24,183,247,584,620.68
  5. Step 5: Solve for x
    x = 24,183,247,584,620.68/5,692,146.30
  6. Step 6: Final answer
    x = 4,248,528.82

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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.