Home / 4,728,467.60-7,090,627.80-1,887,635.60

Finding the Fourth Proportional to 4,728,467.60, 7,090,627.80 and 1,887,635.60

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Solution

The fourth proportional to 4,728,467.60, 7,090,627.80 and 1,887,635.60 is: 2,830,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728,467.60 : 7,090,627.80 = 1,887,635.60 : x
  2. Step 2: Convert to fraction form
    4,728,467.60/7,090,627.80 = 1,887,635.60/x
  3. Step 3: Cross multiply
    4,728,467.60x = 7,090,627.80 × 1,887,635.60
  4. Step 4: Simplify right side
    4,728,467.60x = 13,384,521,461,629.68
  5. Step 5: Solve for x
    x = 13,384,521,461,629.68/4,728,467.60
  6. Step 6: Final answer
    x = 2,830,625.61

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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.