Finding the Fourth Proportional to 2,545,469.19, 3,512,617.44 and 1,399,328.10
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Solution
The fourth proportional to 2,545,469.19, 3,512,617.44 and 1,399,328.10 is: 1,931,001.29
Step by Step Solution
- Step 1: Write the proportion equation
2,545,469.19 : 3,512,617.44 = 1,399,328.10 : x - Step 2: Convert to fraction form
2,545,469.19/3,512,617.44 = 1,399,328.10/x - Step 3: Cross multiply
2,545,469.19x = 3,512,617.44 × 1,399,328.10 - Step 4: Simplify right side
2,545,469.19x = 4,915,304,288,342.06 - Step 5: Solve for x
x = 4,915,304,288,342.06/2,545,469.19 - Step 6: Final answer
x = 1,931,001.29
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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.