Home / 2,289,838.89-3,159,836.19-1,257,342.60

Finding the Fourth Proportional to 2,289,838.89, 3,159,836.19 and 1,257,342.60

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Solution

The fourth proportional to 2,289,838.89, 3,159,836.19 and 1,257,342.60 is: 1,735,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289,838.89 : 3,159,836.19 = 1,257,342.60 : x
  2. Step 2: Convert to fraction form
    2,289,838.89/3,159,836.19 = 1,257,342.60/x
  3. Step 3: Cross multiply
    2,289,838.89x = 3,159,836.19 × 1,257,342.60
  4. Step 4: Simplify right side
    2,289,838.89x = 3,972,996,650,708.69
  5. Step 5: Solve for x
    x = 3,972,996,650,708.69/2,289,838.89
  6. Step 6: Final answer
    x = 1,735,055.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.