Finding the Fourth Proportional to 1,449,845.96, 2,000,830.74 and 876,990.92
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Solution
The fourth proportional to 1,449,845.96, 2,000,830.74 and 876,990.92 is: 1,210,273.67
Step by Step Solution
- Step 1: Write the proportion equation
1,449,845.96 : 2,000,830.74 = 876,990.92 : x - Step 2: Convert to fraction form
1,449,845.96/2,000,830.74 = 876,990.92/x - Step 3: Cross multiply
1,449,845.96x = 2,000,830.74 × 876,990.92 - Step 4: Simplify right side
1,449,845.96x = 1,754,710,391,436.88 - Step 5: Solve for x
x = 1,754,710,391,436.88/1,449,845.96 - Step 6: Final answer
x = 1,210,273.67
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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.