Finding the Fourth Proportional to 1,921,340.84, 2,649,734.17 and 1,594,135.80
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Solution
The fourth proportional to 1,921,340.84, 2,649,734.17 and 1,594,135.80 is: 2,198,483.49
Step by Step Solution
- Step 1: Write the proportion equation
1,921,340.84 : 2,649,734.17 = 1,594,135.80 : x - Step 2: Convert to fraction form
1,921,340.84/2,649,734.17 = 1,594,135.80/x - Step 3: Cross multiply
1,921,340.84x = 2,649,734.17 × 1,594,135.80 - Step 4: Simplify right side
1,921,340.84x = 4,224,036,096,894.95 - Step 5: Solve for x
x = 4,224,036,096,894.95/1,921,340.84 - Step 6: Final answer
x = 2,198,483.49
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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.