Home / 5,434,068.78-8,150,603.40-1,839,424.86

Finding the Fourth Proportional to 5,434,068.78, 8,150,603.40 and 1,839,424.86

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Solution

The fourth proportional to 5,434,068.78, 8,150,603.40 and 1,839,424.86 is: 2,758,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,068.78 : 8,150,603.40 = 1,839,424.86 : x
  2. Step 2: Convert to fraction form
    5,434,068.78/8,150,603.40 = 1,839,424.86/x
  3. Step 3: Cross multiply
    5,434,068.78x = 8,150,603.40 × 1,839,424.86
  4. Step 4: Simplify right side
    5,434,068.78x = 14,992,422,517,960.53
  5. Step 5: Solve for x
    x = 14,992,422,517,960.53/5,434,068.78
  6. Step 6: Final answer
    x = 2,758,968.12

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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.