Finding the Fourth Proportional to 1,586,049.30, 2,183,216.42 and 1,368,946.76
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Solution
The fourth proportional to 1,586,049.30, 2,183,216.42 and 1,368,946.76 is: 1,884,372.09
Step by Step Solution
- Step 1: Write the proportion equation
1,586,049.30 : 2,183,216.42 = 1,368,946.76 : x - Step 2: Convert to fraction form
1,586,049.30/2,183,216.42 = 1,368,946.76/x - Step 3: Cross multiply
1,586,049.30x = 2,183,216.42 × 1,368,946.76 - Step 4: Simplify right side
1,586,049.30x = 2,988,707,037,044.08 - Step 5: Solve for x
x = 2,988,707,037,044.08/1,586,049.30 - Step 6: Final answer
x = 1,884,372.09
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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.