Finding the Fourth Proportional to 1,427,757.70, 2,141,636.55 and 1,364,772.10
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Solution
The fourth proportional to 1,427,757.70, 2,141,636.55 and 1,364,772.10 is: 2,047,158.15
Step by Step Solution
- Step 1: Write the proportion equation
1,427,757.70 : 2,141,636.55 = 1,364,772.10 : x - Step 2: Convert to fraction form
1,427,757.70/2,141,636.55 = 1,364,772.10/x - Step 3: Cross multiply
1,427,757.70x = 2,141,636.55 × 1,364,772.10 - Step 4: Simplify right side
1,427,757.70x = 2,922,845,811,780.26 - Step 5: Solve for x
x = 2,922,845,811,780.26/1,427,757.70 - Step 6: Final answer
x = 2,047,158.15
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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.