Finding the Fourth Proportional to 4,586,089.20, 6,871,260.60 and 2,987,829.60
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Solution
The fourth proportional to 4,586,089.20, 6,871,260.60 and 2,987,829.60 is: 4,476,615.02
Step by Step Solution
- Step 1: Write the proportion equation
4,586,089.20 : 6,871,260.60 = 2,987,829.60 : x - Step 2: Convert to fraction form
4,586,089.20/6,871,260.60 = 2,987,829.60/x - Step 3: Cross multiply
4,586,089.20x = 6,871,260.60 × 2,987,829.60 - Step 4: Simplify right side
4,586,089.20x = 20,530,155,809,993.76 - Step 5: Solve for x
x = 20,530,155,809,993.76/4,586,089.20 - Step 6: Final answer
x = 4,476,615.02
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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.