Finding the Fourth Proportional to 1,917,114.44, 2,645,525.60 and 1,045,897.28
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Solution
The fourth proportional to 1,917,114.44, 2,645,525.60 and 1,045,897.28 is: 1,443,287.88
Step by Step Solution
- Step 1: Write the proportion equation
1,917,114.44 : 2,645,525.60 = 1,045,897.28 : x - Step 2: Convert to fraction form
1,917,114.44/2,645,525.60 = 1,045,897.28/x - Step 3: Cross multiply
1,917,114.44x = 2,645,525.60 × 1,045,897.28 - Step 4: Simplify right side
1,917,114.44x = 2,766,948,029,210.37 - Step 5: Solve for x
x = 2,766,948,029,210.37/1,917,114.44 - Step 6: Final answer
x = 1,443,287.88
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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.