Finding the Fourth Proportional to 2,553,918.36, 3,524,301.18 and 1,392,339.48
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Solution
The fourth proportional to 2,553,918.36, 3,524,301.18 and 1,392,339.48 is: 1,921,370.61
Step by Step Solution
- Step 1: Write the proportion equation
2,553,918.36 : 3,524,301.18 = 1,392,339.48 : x - Step 2: Convert to fraction form
2,553,918.36/3,524,301.18 = 1,392,339.48/x - Step 3: Cross multiply
2,553,918.36x = 3,524,301.18 × 1,392,339.48 - Step 4: Simplify right side
2,553,918.36x = 4,907,023,672,324.59 - Step 5: Solve for x
x = 4,907,023,672,324.59/2,553,918.36 - Step 6: Final answer
x = 1,921,370.61
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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.