Finding the Fourth Proportional to 1,512,741.87, 2,087,545.28 and 824,431.41
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Solution
The fourth proportional to 1,512,741.87, 2,087,545.28 and 824,431.41 is: 1,137,694.36
Step by Step Solution
- Step 1: Write the proportion equation
1,512,741.87 : 2,087,545.28 = 824,431.41 : x - Step 2: Convert to fraction form
1,512,741.87/2,087,545.28 = 824,431.41/x - Step 3: Cross multiply
1,512,741.87x = 2,087,545.28 × 824,431.41 - Step 4: Simplify right side
1,512,741.87x = 1,721,037,894,507.09 - Step 5: Solve for x
x = 1,721,037,894,507.09/1,512,741.87 - Step 6: Final answer
x = 1,137,694.36
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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.