Home / 4,728,009.60-7,089,940.80-1,887,177.60

Finding the Fourth Proportional to 4,728,009.60, 7,089,940.80 and 1,887,177.60

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Solution

The fourth proportional to 4,728,009.60, 7,089,940.80 and 1,887,177.60 is: 2,829,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728,009.60 : 7,089,940.80 = 1,887,177.60 : x
  2. Step 2: Convert to fraction form
    4,728,009.60/7,089,940.80 = 1,887,177.60/x
  3. Step 3: Cross multiply
    4,728,009.60x = 7,089,940.80 × 1,887,177.60
  4. Step 4: Simplify right side
    4,728,009.60x = 13,379,977,463,086.08
  5. Step 5: Solve for x
    x = 13,379,977,463,086.08/4,728,009.60
  6. Step 6: Final answer
    x = 2,829,938.73

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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.