Finding the Fourth Proportional to 1,877,219.94, 2,590,583.40 and 1,102,883.03
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Solution
The fourth proportional to 1,877,219.94, 2,590,583.40 and 1,102,883.03 is: 1,521,990.26
Step by Step Solution
- Step 1: Write the proportion equation
1,877,219.94 : 2,590,583.40 = 1,102,883.03 : x - Step 2: Convert to fraction form
1,877,219.94/2,590,583.40 = 1,102,883.03/x - Step 3: Cross multiply
1,877,219.94x = 2,590,583.40 × 1,102,883.03 - Step 4: Simplify right side
1,877,219.94x = 2,857,110,456,706.78 - Step 5: Solve for x
x = 2,857,110,456,706.78/1,877,219.94 - Step 6: Final answer
x = 1,521,990.26
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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.