Finding the Fourth Proportional to 1,512,329.59, 2,087,062.10 and 867,867.67
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Solution
The fourth proportional to 1,512,329.59, 2,087,062.10 and 867,867.67 is: 1,197,684.51
Step by Step Solution
- Step 1: Write the proportion equation
1,512,329.59 : 2,087,062.10 = 867,867.67 : x - Step 2: Convert to fraction form
1,512,329.59/2,087,062.10 = 867,867.67/x - Step 3: Cross multiply
1,512,329.59x = 2,087,062.10 × 867,867.67 - Step 4: Simplify right side
1,512,329.59x = 1,811,293,721,872.31 - Step 5: Solve for x
x = 1,811,293,721,872.31/1,512,329.59 - Step 6: Final answer
x = 1,197,684.51
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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.