Finding the Fourth Proportional to 3,772,139.88, 5,655,035.94 and 1,640,618.61
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Solution
The fourth proportional to 3,772,139.88, 5,655,035.94 and 1,640,618.61 is: 2,459,547.50
Step by Step Solution
- Step 1: Write the proportion equation
3,772,139.88 : 5,655,035.94 = 1,640,618.61 : x - Step 2: Convert to fraction form
3,772,139.88/5,655,035.94 = 1,640,618.61/x - Step 3: Cross multiply
3,772,139.88x = 5,655,035.94 × 1,640,618.61 - Step 4: Simplify right side
3,772,139.88x = 9,277,757,203,382.84 - Step 5: Solve for x
x = 9,277,757,203,382.84/3,772,139.88 - Step 6: Final answer
x = 2,459,547.50
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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.