Home / 6,435,429.20-9,654,439.80-1,886,469.20

Finding the Fourth Proportional to 6,435,429.20, 9,654,439.80 and 1,886,469.20

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Solution

The fourth proportional to 6,435,429.20, 9,654,439.80 and 1,886,469.20 is: 2,830,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435,429.20 : 9,654,439.80 = 1,886,469.20 : x
  2. Step 2: Convert to fraction form
    6,435,429.20/9,654,439.80 = 1,886,469.20/x
  3. Step 3: Cross multiply
    6,435,429.20x = 9,654,439.80 × 1,886,469.20
  4. Step 4: Simplify right side
    6,435,429.20x = 18,212,803,325,954.16
  5. Step 5: Solve for x
    x = 18,212,803,325,954.16/6,435,429.20
  6. Step 6: Final answer
    x = 2,830,083.71

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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.