Finding the Fourth Proportional to 1,983,551.08, 2,737,242.96 and 1,124,190.76
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Solution
The fourth proportional to 1,983,551.08, 2,737,242.96 and 1,124,190.76 is: 1,551,350.64
Step by Step Solution
- Step 1: Write the proportion equation
1,983,551.08 : 2,737,242.96 = 1,124,190.76 : x - Step 2: Convert to fraction form
1,983,551.08/2,737,242.96 = 1,124,190.76/x - Step 3: Cross multiply
1,983,551.08x = 2,737,242.96 × 1,124,190.76 - Step 4: Simplify right side
1,983,551.08x = 3,077,183,243,507.05 - Step 5: Solve for x
x = 3,077,183,243,507.05/1,983,551.08 - Step 6: Final answer
x = 1,551,350.64
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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.