Finding the Fourth Proportional to 1,876,781.19, 2,815,145.49 and 739,553.28
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Solution
The fourth proportional to 1,876,781.19, 2,815,145.49 and 739,553.28 is: 1,109,319.56
Step by Step Solution
- Step 1: Write the proportion equation
1,876,781.19 : 2,815,145.49 = 739,553.28 : x - Step 2: Convert to fraction form
1,876,781.19/2,815,145.49 = 739,553.28/x - Step 3: Cross multiply
1,876,781.19x = 2,815,145.49 × 739,553.28 - Step 4: Simplify right side
1,876,781.19x = 2,081,950,080,806.71 - Step 5: Solve for x
x = 2,081,950,080,806.71/1,876,781.19 - Step 6: Final answer
x = 1,109,319.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.