Finding the Fourth Proportional to 3,312,639.28, 4,571,414.70 and 1,862,341.16
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Solution
The fourth proportional to 3,312,639.28, 4,571,414.70 and 1,862,341.16 is: 2,570,015.34
Step by Step Solution
- Step 1: Write the proportion equation
3,312,639.28 : 4,571,414.70 = 1,862,341.16 : x - Step 2: Convert to fraction form
3,312,639.28/4,571,414.70 = 1,862,341.16/x - Step 3: Cross multiply
3,312,639.28x = 4,571,414.70 × 1,862,341.16 - Step 4: Simplify right side
3,312,639.28x = 8,513,533,755,239.05 - Step 5: Solve for x
x = 8,513,533,755,239.05/3,312,639.28 - Step 6: Final answer
x = 2,570,015.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.