Finding the Fourth Proportional to 1,635,992.17, 2,257,663.99 and 910,821.04
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Solution
The fourth proportional to 1,635,992.17, 2,257,663.99 and 910,821.04 is: 1,256,930.14
Step by Step Solution
- Step 1: Write the proportion equation
1,635,992.17 : 2,257,663.99 = 910,821.04 : x - Step 2: Convert to fraction form
1,635,992.17/2,257,663.99 = 910,821.04/x - Step 3: Cross multiply
1,635,992.17x = 2,257,663.99 × 910,821.04 - Step 4: Simplify right side
1,635,992.17x = 2,056,327,863,342.35 - Step 5: Solve for x
x = 2,056,327,863,342.35/1,635,992.17 - Step 6: Final answer
x = 1,256,930.14
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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.