Finding the Fourth Proportional to 2,545,569.12, 3,512,898.24 and 1,399,723.20
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Solution
The fourth proportional to 2,545,569.12, 3,512,898.24 and 1,399,723.20 is: 1,931,625.08
Step by Step Solution
- Step 1: Write the proportion equation
2,545,569.12 : 3,512,898.24 = 1,399,723.20 : x - Step 2: Convert to fraction form
2,545,569.12/3,512,898.24 = 1,399,723.20/x - Step 3: Cross multiply
2,545,569.12x = 3,512,898.24 × 1,399,723.20 - Step 4: Simplify right side
2,545,569.12x = 4,917,085,165,767.17 - Step 5: Solve for x
x = 4,917,085,165,767.17/2,545,569.12 - Step 6: Final answer
x = 1,931,625.08
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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.