Home / 1,905,394.58-2,629,653.72-1,089,674.18

Finding the Fourth Proportional to 1,905,394.58, 2,629,653.72 and 1,089,674.18

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Solution

The fourth proportional to 1,905,394.58, 2,629,653.72 and 1,089,674.18 is: 1,503,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,394.58 : 2,629,653.72 = 1,089,674.18 : x
  2. Step 2: Convert to fraction form
    1,905,394.58/2,629,653.72 = 1,089,674.18/x
  3. Step 3: Cross multiply
    1,905,394.58x = 2,629,653.72 × 1,089,674.18
  4. Step 4: Simplify right side
    1,905,394.58x = 2,865,465,761,024.95
  5. Step 5: Solve for x
    x = 2,865,465,761,024.95/1,905,394.58
  6. Step 6: Final answer
    x = 1,503,870.01

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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.