Finding the Fourth Proportional to 1,832,972.09, 2,748,646.20 and 979,837.05
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Solution
The fourth proportional to 1,832,972.09, 2,748,646.20 and 979,837.05 is: 1,469,321.56
Step by Step Solution
- Step 1: Write the proportion equation
1,832,972.09 : 2,748,646.20 = 979,837.05 : x - Step 2: Convert to fraction form
1,832,972.09/2,748,646.20 = 979,837.05/x - Step 3: Cross multiply
1,832,972.09x = 2,748,646.20 × 979,837.05 - Step 4: Simplify right side
1,832,972.09x = 2,693,225,398,083.52 - Step 5: Solve for x
x = 2,693,225,398,083.52/1,832,972.09 - Step 6: Final answer
x = 1,469,321.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.