Home / 4,089,871.95-5,643,768.56-2,254,344.72

Finding the Fourth Proportional to 4,089,871.95, 5,643,768.56 and 2,254,344.72

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Solution

The fourth proportional to 4,089,871.95, 5,643,768.56 and 2,254,344.72 is: 3,110,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089,871.95 : 5,643,768.56 = 2,254,344.72 : x
  2. Step 2: Convert to fraction form
    4,089,871.95/5,643,768.56 = 2,254,344.72/x
  3. Step 3: Cross multiply
    4,089,871.95x = 5,643,768.56 × 2,254,344.72
  4. Step 4: Simplify right side
    4,089,871.95x = 12,722,999,821,702.15
  5. Step 5: Solve for x
    x = 12,722,999,821,702.15/4,089,871.95
  6. Step 6: Final answer
    x = 3,110,855.30

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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.