Finding the Fourth Proportional to 2,649,414.88, 3,655,984.08 and 1,503,495.21
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Solution
The fourth proportional to 2,649,414.88, 3,655,984.08 and 1,503,495.21 is: 2,074,705.10
Step by Step Solution
- Step 1: Write the proportion equation
2,649,414.88 : 3,655,984.08 = 1,503,495.21 : x - Step 2: Convert to fraction form
2,649,414.88/3,655,984.08 = 1,503,495.21/x - Step 3: Cross multiply
2,649,414.88x = 3,655,984.08 × 1,503,495.21 - Step 4: Simplify right side
2,649,414.88x = 5,496,754,552,116.26 - Step 5: Solve for x
x = 5,496,754,552,116.26/2,649,414.88 - Step 6: Final answer
x = 2,074,705.10
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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.