Finding the Fourth Proportional to 1,579,721.36, 2,180,016.12 and 854,568.92
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Solution
The fourth proportional to 1,579,721.36, 2,180,016.12 and 854,568.92 is: 1,179,305.46
Step by Step Solution
- Step 1: Write the proportion equation
1,579,721.36 : 2,180,016.12 = 854,568.92 : x - Step 2: Convert to fraction form
1,579,721.36/2,180,016.12 = 854,568.92/x - Step 3: Cross multiply
1,579,721.36x = 2,180,016.12 × 854,568.92 - Step 4: Simplify right side
1,579,721.36x = 1,862,974,021,250.99 - Step 5: Solve for x
x = 1,862,974,021,250.99/1,579,721.36 - Step 6: Final answer
x = 1,179,305.46
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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.