Finding the Fourth Proportional to 1,908,383.12, 2,862,706.08 and 488,451.68
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Solution
The fourth proportional to 1,908,383.12, 2,862,706.08 and 488,451.68 is: 732,711.15
Step by Step Solution
- Step 1: Write the proportion equation
1,908,383.12 : 2,862,706.08 = 488,451.68 : x - Step 2: Convert to fraction form
1,908,383.12/2,862,706.08 = 488,451.68/x - Step 3: Cross multiply
1,908,383.12x = 2,862,706.08 × 488,451.68 - Step 4: Simplify right side
1,908,383.12x = 1,398,293,594,122.21 - Step 5: Solve for x
x = 1,398,293,594,122.21/1,908,383.12 - Step 6: Final answer
x = 732,711.15
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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.