Finding the Fourth Proportional to 1,721,979.99, 2,376,354.17 and 947,699.97
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Solution
The fourth proportional to 1,721,979.99, 2,376,354.17 and 947,699.97 is: 1,307,837.95
Step by Step Solution
- Step 1: Write the proportion equation
1,721,979.99 : 2,376,354.17 = 947,699.97 : x - Step 2: Convert to fraction form
1,721,979.99/2,376,354.17 = 947,699.97/x - Step 3: Cross multiply
1,721,979.99x = 2,376,354.17 × 947,699.97 - Step 4: Simplify right side
1,721,979.99x = 2,252,070,775,618.38 - Step 5: Solve for x
x = 2,252,070,775,618.38/1,721,979.99 - Step 6: Final answer
x = 1,307,837.95
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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.