Finding the Fourth Proportional to 5,528,472.10, 8,292,708.15 and 3,136,987.60
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Solution
The fourth proportional to 5,528,472.10, 8,292,708.15 and 3,136,987.60 is: 4,705,481.40
Step by Step Solution
- Step 1: Write the proportion equation
5,528,472.10 : 8,292,708.15 = 3,136,987.60 : x - Step 2: Convert to fraction form
5,528,472.10/8,292,708.15 = 3,136,987.60/x - Step 3: Cross multiply
5,528,472.10x = 8,292,708.15 × 3,136,987.60 - Step 4: Simplify right side
5,528,472.10x = 26,014,122,636,968.94 - Step 5: Solve for x
x = 26,014,122,636,968.94/5,528,472.10 - Step 6: Final answer
x = 4,705,481.40
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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.