Home / 4,382,143.78-6,047,671.34-2,421,979.67

Finding the Fourth Proportional to 4,382,143.78, 6,047,671.34 and 2,421,979.67

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Solution

The fourth proportional to 4,382,143.78, 6,047,671.34 and 2,421,979.67 is: 3,342,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,382,143.78 : 6,047,671.34 = 2,421,979.67 : x
  2. Step 2: Convert to fraction form
    4,382,143.78/6,047,671.34 = 2,421,979.67/x
  3. Step 3: Cross multiply
    4,382,143.78x = 6,047,671.34 × 2,421,979.67
  4. Step 4: Simplify right side
    4,382,143.78x = 14,647,337,006,083.30
  5. Step 5: Solve for x
    x = 14,647,337,006,083.30/4,382,143.78
  6. Step 6: Final answer
    x = 3,342,504.89

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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.