Finding the Fourth Proportional to 1,908,687.63, 2,862,956.64 and 646,515.21
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Solution
The fourth proportional to 1,908,687.63, 2,862,956.64 and 646,515.21 is: 969,747.48
Step by Step Solution
- Step 1: Write the proportion equation
1,908,687.63 : 2,862,956.64 = 646,515.21 : x - Step 2: Convert to fraction form
1,908,687.63/2,862,956.64 = 646,515.21/x - Step 3: Cross multiply
1,908,687.63x = 2,862,956.64 × 646,515.21 - Step 4: Simplify right side
1,908,687.63x = 1,850,945,013,330.49 - Step 5: Solve for x
x = 1,850,945,013,330.49/1,908,687.63 - Step 6: Final answer
x = 969,747.48
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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.