Finding the Fourth Proportional to 5,528,471.10, 8,292,706.65 and 3,136,986.60
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Solution
The fourth proportional to 5,528,471.10, 8,292,706.65 and 3,136,986.60 is: 4,705,479.90
Step by Step Solution
- Step 1: Write the proportion equation
5,528,471.10 : 8,292,706.65 = 3,136,986.60 : x - Step 2: Convert to fraction form
5,528,471.10/8,292,706.65 = 3,136,986.60/x - Step 3: Cross multiply
5,528,471.10x = 8,292,706.65 × 3,136,986.60 - Step 4: Simplify right side
5,528,471.10x = 26,014,109,638,780.89 - Step 5: Solve for x
x = 26,014,109,638,780.89/5,528,471.10 - Step 6: Final answer
x = 4,705,479.90
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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.