Finding the Fourth Proportional to 1,886,172.24, 2,827,671.44 and 820,411.68
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Solution
The fourth proportional to 1,886,172.24, 2,827,671.44 and 820,411.68 is: 1,229,927.27
Step by Step Solution
- Step 1: Write the proportion equation
1,886,172.24 : 2,827,671.44 = 820,411.68 : x - Step 2: Convert to fraction form
1,886,172.24/2,827,671.44 = 820,411.68/x - Step 3: Cross multiply
1,886,172.24x = 2,827,671.44 × 820,411.68 - Step 4: Simplify right side
1,886,172.24x = 2,319,854,676,578.42 - Step 5: Solve for x
x = 2,319,854,676,578.42/1,886,172.24 - Step 6: Final answer
x = 1,229,927.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.