Finding the Fourth Proportional to 1,911,761.51, 2,637,922.18 and 1,095,815.05
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Solution
The fourth proportional to 1,911,761.51, 2,637,922.18 and 1,095,815.05 is: 1,512,047.82
Step by Step Solution
- Step 1: Write the proportion equation
1,911,761.51 : 2,637,922.18 = 1,095,815.05 : x - Step 2: Convert to fraction form
1,911,761.51/2,637,922.18 = 1,095,815.05/x - Step 3: Cross multiply
1,911,761.51x = 2,637,922.18 × 1,095,815.05 - Step 4: Simplify right side
1,911,761.51x = 2,890,674,829,428.08 - Step 5: Solve for x
x = 2,890,674,829,428.08/1,911,761.51 - Step 6: Final answer
x = 1,512,047.82
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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.