Home / 4,678,388.83-7,020,382.61-4,297,675.87

Finding the Fourth Proportional to 4,678,388.83, 7,020,382.61 and 4,297,675.87

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Solution

The fourth proportional to 4,678,388.83, 7,020,382.61 and 4,297,675.87 is: 6,449,085.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,388.83 : 7,020,382.61 = 4,297,675.87 : x
  2. Step 2: Convert to fraction form
    4,678,388.83/7,020,382.61 = 4,297,675.87/x
  3. Step 3: Cross multiply
    4,678,388.83x = 7,020,382.61 × 4,297,675.87
  4. Step 4: Simplify right side
    4,678,388.83x = 30,171,328,941,164.62
  5. Step 5: Solve for x
    x = 30,171,328,941,164.62/4,678,388.83
  6. Step 6: Final answer
    x = 6,449,085.37

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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.