Home / 7,222,739.78-10,830,960-2,731,866.50

Finding the Fourth Proportional to 7,222,739.78, 10,830,960 and 2,731,866.50

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Solution

The fourth proportional to 7,222,739.78, 10,830,960 and 2,731,866.50 is: 4,096,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,739.78 : 10,830,960 = 2,731,866.50 : x
  2. Step 2: Convert to fraction form
    7,222,739.78/10,830,960 = 2,731,866.50/x
  3. Step 3: Cross multiply
    7,222,739.78x = 10,830,960 × 2,731,866.50
  4. Step 4: Simplify right side
    7,222,739.78x = 29,588,736,786,840
  5. Step 5: Solve for x
    x = 29,588,736,786,840/7,222,739.78
  6. Step 6: Final answer
    x = 4,096,608.45

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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.