Finding the Fourth Proportional to 4,683,857.21, 6,461,743.68 and 3,135,617.67
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Solution
The fourth proportional to 4,683,857.21, 6,461,743.68 and 3,135,617.67 is: 4,325,827.36
Step by Step Solution
- Step 1: Write the proportion equation
4,683,857.21 : 6,461,743.68 = 3,135,617.67 : x - Step 2: Convert to fraction form
4,683,857.21/6,461,743.68 = 3,135,617.67/x - Step 3: Cross multiply
4,683,857.21x = 6,461,743.68 × 3,135,617.67 - Step 4: Simplify right side
4,683,857.21x = 20,261,557,662,018.82 - Step 5: Solve for x
x = 20,261,557,662,018.82/4,683,857.21 - Step 6: Final answer
x = 4,325,827.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.