Finding the Fourth Proportional to 2,545,553.10, 3,512,862.63 and 1,399,707.66
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Solution
The fourth proportional to 2,545,553.10, 3,512,862.63 and 1,399,707.66 is: 1,931,596.21
Step by Step Solution
- Step 1: Write the proportion equation
2,545,553.10 : 3,512,862.63 = 1,399,707.66 : x - Step 2: Convert to fraction form
2,545,553.10/3,512,862.63 = 1,399,707.66/x - Step 3: Cross multiply
2,545,553.10x = 3,512,862.63 × 1,399,707.66 - Step 4: Simplify right side
2,545,553.10x = 4,916,980,731,738.75 - Step 5: Solve for x
x = 4,916,980,731,738.75/2,545,553.10 - Step 6: Final answer
x = 1,931,596.21
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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.