Finding the Fourth Proportional to 1,804,712.70, 2,490,266.73 and 1,079,295.74
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Solution
The fourth proportional to 1,804,712.70, 2,490,266.73 and 1,079,295.74 is: 1,489,286.50
Step by Step Solution
- Step 1: Write the proportion equation
1,804,712.70 : 2,490,266.73 = 1,079,295.74 : x - Step 2: Convert to fraction form
1,804,712.70/2,490,266.73 = 1,079,295.74/x - Step 3: Cross multiply
1,804,712.70x = 2,490,266.73 × 1,079,295.74 - Step 4: Simplify right side
1,804,712.70x = 2,687,734,274,087.26 - Step 5: Solve for x
x = 2,687,734,274,087.26/1,804,712.70 - Step 6: Final answer
x = 1,489,286.50
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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.