Finding the Fourth Proportional to 1,869,005.97, 2,579,229.25 and 1,009,566.23
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Solution
The fourth proportional to 1,869,005.97, 2,579,229.25 and 1,009,566.23 is: 1,393,201.94
Step by Step Solution
- Step 1: Write the proportion equation
1,869,005.97 : 2,579,229.25 = 1,009,566.23 : x - Step 2: Convert to fraction form
1,869,005.97/2,579,229.25 = 1,009,566.23/x - Step 3: Cross multiply
1,869,005.97x = 2,579,229.25 × 1,009,566.23 - Step 4: Simplify right side
1,869,005.97x = 2,603,902,734,808.17 - Step 5: Solve for x
x = 2,603,902,734,808.17/1,869,005.97 - Step 6: Final answer
x = 1,393,201.94
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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.