Finding the Fourth Proportional to 1,804,320.25, 2,489,963.96 and 988,576.09
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Solution
The fourth proportional to 1,804,320.25, 2,489,963.96 and 988,576.09 is: 1,364,236.11
Step by Step Solution
- Step 1: Write the proportion equation
1,804,320.25 : 2,489,963.96 = 988,576.09 : x - Step 2: Convert to fraction form
1,804,320.25/2,489,963.96 = 988,576.09/x - Step 3: Cross multiply
1,804,320.25x = 2,489,963.96 × 988,576.09 - Step 4: Simplify right side
1,804,320.25x = 2,461,518,832,064.25 - Step 5: Solve for x
x = 2,461,518,832,064.25/1,804,320.25 - Step 6: Final answer
x = 1,364,236.11
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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.