Finding the Fourth Proportional to 1,916,902.63, 2,874,275.01 and 636,824.80
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Solution
The fourth proportional to 1,916,902.63, 2,874,275.01 and 636,824.80 is: 954,878.76
Step by Step Solution
- Step 1: Write the proportion equation
1,916,902.63 : 2,874,275.01 = 636,824.80 : x - Step 2: Convert to fraction form
1,916,902.63/2,874,275.01 = 636,824.80/x - Step 3: Cross multiply
1,916,902.63x = 2,874,275.01 × 636,824.80 - Step 4: Simplify right side
1,916,902.63x = 1,830,409,608,388.25 - Step 5: Solve for x
x = 1,830,409,608,388.25/1,916,902.63 - Step 6: Final answer
x = 954,878.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.