Finding the Fourth Proportional to 1,804,639.14, 2,490,402.60 and 988,836.18
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Solution
The fourth proportional to 1,804,639.14, 2,490,402.60 and 988,836.18 is: 1,364,594.25
Step by Step Solution
- Step 1: Write the proportion equation
1,804,639.14 : 2,490,402.60 = 988,836.18 : x - Step 2: Convert to fraction form
1,804,639.14/2,490,402.60 = 988,836.18/x - Step 3: Cross multiply
1,804,639.14x = 2,490,402.60 × 988,836.18 - Step 4: Simplify right side
1,804,639.14x = 2,462,600,193,646.07 - Step 5: Solve for x
x = 2,462,600,193,646.07/1,804,639.14 - Step 6: Final answer
x = 1,364,594.25
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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.