Finding the Fourth Proportional to 1,908,478.90, 2,862,716.55 and 488,532.70
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Solution
The fourth proportional to 1,908,478.90, 2,862,716.55 and 488,532.70 is: 732,798.59
Step by Step Solution
- Step 1: Write the proportion equation
1,908,478.90 : 2,862,716.55 = 488,532.70 : x - Step 2: Convert to fraction form
1,908,478.90/2,862,716.55 = 488,532.70/x - Step 3: Cross multiply
1,908,478.90x = 2,862,716.55 × 488,532.70 - Step 4: Simplify right side
1,908,478.90x = 1,398,530,645,506.19 - Step 5: Solve for x
x = 1,398,530,645,506.19/1,908,478.90 - Step 6: Final answer
x = 732,798.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.