Finding the Fourth Proportional to 7,607,046.78, 11,411,637.12 and 2,489,878.62
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Solution
The fourth proportional to 7,607,046.78, 11,411,637.12 and 2,489,878.62 is: 3,735,167.16
Step by Step Solution
- Step 1: Write the proportion equation
7,607,046.78 : 11,411,637.12 = 2,489,878.62 : x - Step 2: Convert to fraction form
7,607,046.78/11,411,637.12 = 2,489,878.62/x - Step 3: Cross multiply
7,607,046.78x = 11,411,637.12 × 2,489,878.62 - Step 4: Simplify right side
7,607,046.78x = 28,413,591,284,286.38 - Step 5: Solve for x
x = 28,413,591,284,286.38/7,607,046.78 - Step 6: Final answer
x = 3,735,167.16
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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.