Finding the Fourth Proportional to 1,832,783.68, 2,529,254.96 and 1,016,990.56
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Solution
The fourth proportional to 1,832,783.68, 2,529,254.96 and 1,016,990.56 is: 1,403,454.45
Step by Step Solution
- Step 1: Write the proportion equation
1,832,783.68 : 2,529,254.96 = 1,016,990.56 : x - Step 2: Convert to fraction form
1,832,783.68/2,529,254.96 = 1,016,990.56/x - Step 3: Cross multiply
1,832,783.68x = 2,529,254.96 × 1,016,990.56 - Step 4: Simplify right side
1,832,783.68x = 2,572,228,418,153.18 - Step 5: Solve for x
x = 2,572,228,418,153.18/1,832,783.68 - Step 6: Final answer
x = 1,403,454.45
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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.