Home / 1,647,782.55-2,470,772.79-1,308,406.02

Finding the Fourth Proportional to 1,647,782.55, 2,470,772.79 and 1,308,406.02

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Solution

The fourth proportional to 1,647,782.55, 2,470,772.79 and 1,308,406.02 is: 1,961,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,782.55 : 2,470,772.79 = 1,308,406.02 : x
  2. Step 2: Convert to fraction form
    1,647,782.55/2,470,772.79 = 1,308,406.02/x
  3. Step 3: Cross multiply
    1,647,782.55x = 2,470,772.79 × 1,308,406.02
  4. Step 4: Simplify right side
    1,647,782.55x = 3,232,773,992,488.20
  5. Step 5: Solve for x
    x = 3,232,773,992,488.20/1,647,782.55
  6. Step 6: Final answer
    x = 1,961,893.57

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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.