Home / 6,619,587.20-9,136,219.20-3,903,171.20

Finding the Fourth Proportional to 6,619,587.20, 9,136,219.20 and 3,903,171.20

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Solution

The fourth proportional to 6,619,587.20, 9,136,219.20 and 3,903,171.20 is: 5,387,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,587.20 : 9,136,219.20 = 3,903,171.20 : x
  2. Step 2: Convert to fraction form
    6,619,587.20/9,136,219.20 = 3,903,171.20/x
  3. Step 3: Cross multiply
    6,619,587.20x = 9,136,219.20 × 3,903,171.20
  4. Step 4: Simplify right side
    6,619,587.20x = 35,660,227,658,327.04
  5. Step 5: Solve for x
    x = 35,660,227,658,327.04/6,619,587.20
  6. Step 6: Final answer
    x = 5,387,077.26

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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.