Finding the Fourth Proportional to 1,804,625.64, 2,490,343.20 and 1,019,618.28
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Solution
The fourth proportional to 1,804,625.64, 2,490,343.20 and 1,019,618.28 is: 1,407,050.52
Step by Step Solution
- Step 1: Write the proportion equation
1,804,625.64 : 2,490,343.20 = 1,019,618.28 : x - Step 2: Convert to fraction form
1,804,625.64/2,490,343.20 = 1,019,618.28/x - Step 3: Cross multiply
1,804,625.64x = 2,490,343.20 × 1,019,618.28 - Step 4: Simplify right side
1,804,625.64x = 2,539,199,450,193.70 - Step 5: Solve for x
x = 2,539,199,450,193.70/1,804,625.64 - Step 6: Final answer
x = 1,407,050.52
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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.