Finding the Fourth Proportional to 1,663,531.96, 2,295,665.67 and 899,583.70
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Solution
The fourth proportional to 1,663,531.96, 2,295,665.67 and 899,583.70 is: 1,241,420.94
Step by Step Solution
- Step 1: Write the proportion equation
1,663,531.96 : 2,295,665.67 = 899,583.70 : x - Step 2: Convert to fraction form
1,663,531.96/2,295,665.67 = 899,583.70/x - Step 3: Cross multiply
1,663,531.96x = 2,295,665.67 × 899,583.70 - Step 4: Simplify right side
1,663,531.96x = 2,065,143,417,381.58 - Step 5: Solve for x
x = 2,065,143,417,381.58/1,663,531.96 - Step 6: Final answer
x = 1,241,420.94
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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.