Finding the Fourth Proportional to 2,143,314.54, 2,957,812.29 and 1,176,534.81
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Solution
The fourth proportional to 2,143,314.54, 2,957,812.29 and 1,176,534.81 is: 1,623,639.02
Step by Step Solution
- Step 1: Write the proportion equation
2,143,314.54 : 2,957,812.29 = 1,176,534.81 : x - Step 2: Convert to fraction form
2,143,314.54/2,957,812.29 = 1,176,534.81/x - Step 3: Cross multiply
2,143,314.54x = 2,957,812.29 × 1,176,534.81 - Step 4: Simplify right side
2,143,314.54x = 3,479,969,120,630.82 - Step 5: Solve for x
x = 3,479,969,120,630.82/2,143,314.54 - Step 6: Final answer
x = 1,623,639.02
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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.