Home / 5,478,930.40-8,218,395.60-1,435,410.40

Finding the Fourth Proportional to 5,478,930.40, 8,218,395.60 and 1,435,410.40

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Solution

The fourth proportional to 5,478,930.40, 8,218,395.60 and 1,435,410.40 is: 2,153,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,930.40 : 8,218,395.60 = 1,435,410.40 : x
  2. Step 2: Convert to fraction form
    5,478,930.40/8,218,395.60 = 1,435,410.40/x
  3. Step 3: Cross multiply
    5,478,930.40x = 8,218,395.60 × 1,435,410.40
  4. Step 4: Simplify right side
    5,478,930.40x = 11,796,770,515,554.24
  5. Step 5: Solve for x
    x = 11,796,770,515,554.24/5,478,930.40
  6. Step 6: Final answer
    x = 2,153,115.60

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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.