Home / 4,587,989.64-6,881,539.74-1,393,143.90

Finding the Fourth Proportional to 4,587,989.64, 6,881,539.74 and 1,393,143.90

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Solution

The fourth proportional to 4,587,989.64, 6,881,539.74 and 1,393,143.90 is: 2,089,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587,989.64 : 6,881,539.74 = 1,393,143.90 : x
  2. Step 2: Convert to fraction form
    4,587,989.64/6,881,539.74 = 1,393,143.90/x
  3. Step 3: Cross multiply
    4,587,989.64x = 6,881,539.74 × 1,393,143.90
  4. Step 4: Simplify right side
    4,587,989.64x = 9,586,975,111,388.59
  5. Step 5: Solve for x
    x = 9,586,975,111,388.59/4,587,989.64
  6. Step 6: Final answer
    x = 2,089,580.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.