Finding the Fourth Proportional to 5,028,496.80, 7,542,745.20 and 1,833,727.20
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Solution
The fourth proportional to 5,028,496.80, 7,542,745.20 and 1,833,727.20 is: 2,750,590.80
Step by Step Solution
- Step 1: Write the proportion equation
5,028,496.80 : 7,542,745.20 = 1,833,727.20 : x - Step 2: Convert to fraction form
5,028,496.80/7,542,745.20 = 1,833,727.20/x - Step 3: Cross multiply
5,028,496.80x = 7,542,745.20 × 1,833,727.20 - Step 4: Simplify right side
5,028,496.80x = 13,831,337,035,909.44 - Step 5: Solve for x
x = 13,831,337,035,909.44/5,028,496.80 - Step 6: Final answer
x = 2,750,590.80
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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.