Finding the Fourth Proportional to 2,117,461.26, 2,922,086.36 and 1,199,688.59
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Solution
The fourth proportional to 2,117,461.26, 2,922,086.36 and 1,199,688.59 is: 1,655,564.49
Step by Step Solution
- Step 1: Write the proportion equation
2,117,461.26 : 2,922,086.36 = 1,199,688.59 : x - Step 2: Convert to fraction form
2,117,461.26/2,922,086.36 = 1,199,688.59/x - Step 3: Cross multiply
2,117,461.26x = 2,922,086.36 × 1,199,688.59 - Step 4: Simplify right side
2,117,461.26x = 3,505,593,665,086.63 - Step 5: Solve for x
x = 3,505,593,665,086.63/2,117,461.26 - Step 6: Final answer
x = 1,655,564.49
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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.