Finding the Fourth Proportional to 1,511,688.29, 2,086,129.76 and 832,624.79
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Solution
The fourth proportional to 1,511,688.29, 2,086,129.76 and 832,624.79 is: 1,149,022.16
Step by Step Solution
- Step 1: Write the proportion equation
1,511,688.29 : 2,086,129.76 = 832,624.79 : x - Step 2: Convert to fraction form
1,511,688.29/2,086,129.76 = 832,624.79/x - Step 3: Cross multiply
1,511,688.29x = 2,086,129.76 × 832,624.79 - Step 4: Simplify right side
1,511,688.29x = 1,736,963,338,738.98 - Step 5: Solve for x
x = 1,736,963,338,738.98/1,511,688.29 - Step 6: Final answer
x = 1,149,022.16
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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.