Finding the Fourth Proportional to 2,515,079.09, 3,470,809.68 and 1,369,159.13
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Solution
The fourth proportional to 2,515,079.09, 3,470,809.68 and 1,369,159.13 is: 1,889,439.89
Step by Step Solution
- Step 1: Write the proportion equation
2,515,079.09 : 3,470,809.68 = 1,369,159.13 : x - Step 2: Convert to fraction form
2,515,079.09/3,470,809.68 = 1,369,159.13/x - Step 3: Cross multiply
2,515,079.09x = 3,470,809.68 × 1,369,159.13 - Step 4: Simplify right side
2,515,079.09x = 4,752,090,744,510.33 - Step 5: Solve for x
x = 4,752,090,744,510.33/2,515,079.09 - Step 6: Final answer
x = 1,889,439.89
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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.