Finding the Fourth Proportional to 1,804,905.36, 2,490,772.32 and 988,979.40
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Solution
The fourth proportional to 1,804,905.36, 2,490,772.32 and 988,979.40 is: 1,364,793.17
Step by Step Solution
- Step 1: Write the proportion equation
1,804,905.36 : 2,490,772.32 = 988,979.40 : x - Step 2: Convert to fraction form
1,804,905.36/2,490,772.32 = 988,979.40/x - Step 3: Cross multiply
1,804,905.36x = 2,490,772.32 × 988,979.40 - Step 4: Simplify right side
1,804,905.36x = 2,463,322,514,570.21 - Step 5: Solve for x
x = 2,463,322,514,570.21/1,804,905.36 - Step 6: Final answer
x = 1,364,793.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.