Finding the Fourth Proportional to 2,153,463.96, 2,971,912.64 and 1,186,594
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Solution
The fourth proportional to 2,153,463.96, 2,971,912.64 and 1,186,594 is: 1,637,572.66
Step by Step Solution
- Step 1: Write the proportion equation
2,153,463.96 : 2,971,912.64 = 1,186,594 : x - Step 2: Convert to fraction form
2,153,463.96/2,971,912.64 = 1,186,594/x - Step 3: Cross multiply
2,153,463.96x = 2,971,912.64 × 1,186,594 - Step 4: Simplify right side
2,153,463.96x = 3,526,453,707,148.16 - Step 5: Solve for x
x = 3,526,453,707,148.16/2,153,463.96 - Step 6: Final answer
x = 1,637,572.66
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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.