Finding the Fourth Proportional to 1,948,474.17, 2,921,963.56 and 668,843.05
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Solution
The fourth proportional to 1,948,474.17, 2,921,963.56 and 668,843.05 is: 1,003,007.92
Step by Step Solution
- Step 1: Write the proportion equation
1,948,474.17 : 2,921,963.56 = 668,843.05 : x - Step 2: Convert to fraction form
1,948,474.17/2,921,963.56 = 668,843.05/x - Step 3: Cross multiply
1,948,474.17x = 2,921,963.56 × 668,843.05 - Step 4: Simplify right side
1,948,474.17x = 1,954,335,019,459.26 - Step 5: Solve for x
x = 1,954,335,019,459.26/1,948,474.17 - Step 6: Final answer
x = 1,003,007.92
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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.