Home / 1,905,804.32-2,629,259.91-1,089,569.52

Finding the Fourth Proportional to 1,905,804.32, 2,629,259.91 and 1,089,569.52

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Solution

The fourth proportional to 1,905,804.32, 2,629,259.91 and 1,089,569.52 is: 1,503,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,804.32 : 2,629,259.91 = 1,089,569.52 : x
  2. Step 2: Convert to fraction form
    1,905,804.32/2,629,259.91 = 1,089,569.52/x
  3. Step 3: Cross multiply
    1,905,804.32x = 2,629,259.91 × 1,089,569.52
  4. Step 4: Simplify right side
    1,905,804.32x = 2,864,761,458,093.94
  5. Step 5: Solve for x
    x = 2,864,761,458,093.94/1,905,804.32
  6. Step 6: Final answer
    x = 1,503,177.13

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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.