Finding the Fourth Proportional to 1,674,638.75, 2,310,979.79 and 910,675.91
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Solution
The fourth proportional to 1,674,638.75, 2,310,979.79 and 910,675.91 is: 1,256,720.96
Step by Step Solution
- Step 1: Write the proportion equation
1,674,638.75 : 2,310,979.79 = 910,675.91 : x - Step 2: Convert to fraction form
1,674,638.75/2,310,979.79 = 910,675.91/x - Step 3: Cross multiply
1,674,638.75x = 2,310,979.79 × 910,675.91 - Step 4: Simplify right side
1,674,638.75x = 2,104,553,607,141.58 - Step 5: Solve for x
x = 2,104,553,607,141.58/1,674,638.75 - Step 6: Final answer
x = 1,256,720.96
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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.