Finding the Fourth Proportional to 1,637,121.05, 2,259,295.11 and 911,968.58
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Solution
The fourth proportional to 1,637,121.05, 2,259,295.11 and 911,968.58 is: 1,258,554.55
Step by Step Solution
- Step 1: Write the proportion equation
1,637,121.05 : 2,259,295.11 = 911,968.58 : x - Step 2: Convert to fraction form
1,637,121.05/2,259,295.11 = 911,968.58/x - Step 3: Cross multiply
1,637,121.05x = 2,259,295.11 × 911,968.58 - Step 4: Simplify right side
1,637,121.05x = 2,060,406,141,971.17 - Step 5: Solve for x
x = 2,060,406,141,971.17/1,637,121.05 - Step 6: Final answer
x = 1,258,554.55
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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.