Finding the Fourth Proportional to 3,926,090.67, 5,889,136.41 and 1,230,415.53
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Solution
The fourth proportional to 3,926,090.67, 5,889,136.41 and 1,230,415.53 is: 1,845,623.42
Step by Step Solution
- Step 1: Write the proportion equation
3,926,090.67 : 5,889,136.41 = 1,230,415.53 : x - Step 2: Convert to fraction form
3,926,090.67/5,889,136.41 = 1,230,415.53/x - Step 3: Cross multiply
3,926,090.67x = 5,889,136.41 × 1,230,415.53 - Step 4: Simplify right side
3,926,090.67x = 7,246,084,897,152.45 - Step 5: Solve for x
x = 7,246,084,897,152.45/3,926,090.67 - Step 6: Final answer
x = 1,845,623.42
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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.