Finding the Fourth Proportional to 5,137,950.09, 7,090,368.66 and 3,072,965.62
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Solution
The fourth proportional to 5,137,950.09, 7,090,368.66 and 3,072,965.62 is: 4,240,691.08
Step by Step Solution
- Step 1: Write the proportion equation
5,137,950.09 : 7,090,368.66 = 3,072,965.62 : x - Step 2: Convert to fraction form
5,137,950.09/7,090,368.66 = 3,072,965.62/x - Step 3: Cross multiply
5,137,950.09x = 7,090,368.66 × 3,072,965.62 - Step 4: Simplify right side
5,137,950.09x = 21,788,459,125,305.47 - Step 5: Solve for x
x = 21,788,459,125,305.47/5,137,950.09 - Step 6: Final answer
x = 4,240,691.08
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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.