Home / 1,644,138.39-2,268,819.33-909,050.10

Finding the Fourth Proportional to 1,644,138.39, 2,268,819.33 and 909,050.10

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Solution

The fourth proportional to 1,644,138.39, 2,268,819.33 and 909,050.10 is: 1,254,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,138.39 : 2,268,819.33 = 909,050.10 : x
  2. Step 2: Convert to fraction form
    1,644,138.39/2,268,819.33 = 909,050.10/x
  3. Step 3: Cross multiply
    1,644,138.39x = 2,268,819.33 × 909,050.10
  4. Step 4: Simplify right side
    1,644,138.39x = 2,062,470,438,818.43
  5. Step 5: Solve for x
    x = 2,062,470,438,818.43/1,644,138.39
  6. Step 6: Final answer
    x = 1,254,438.47

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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.