Home / 1,949,014.92-2,689,699.86-1,089,611.40

Finding the Fourth Proportional to 1,949,014.92, 2,689,699.86 and 1,089,611.40

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Solution

The fourth proportional to 1,949,014.92, 2,689,699.86 and 1,089,611.40 is: 1,503,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,014.92 : 2,689,699.86 = 1,089,611.40 : x
  2. Step 2: Convert to fraction form
    1,949,014.92/2,689,699.86 = 1,089,611.40/x
  3. Step 3: Cross multiply
    1,949,014.92x = 2,689,699.86 × 1,089,611.40
  4. Step 4: Simplify right side
    1,949,014.92x = 2,930,727,630,034.40
  5. Step 5: Solve for x
    x = 2,930,727,630,034.40/1,949,014.92
  6. Step 6: Final answer
    x = 1,503,696.87

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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.