Finding the Fourth Proportional to 3,205,690.36, 4,423,907.10 and 1,755,362.68
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Solution
The fourth proportional to 3,205,690.36, 4,423,907.10 and 1,755,362.68 is: 2,422,430.29
Step by Step Solution
- Step 1: Write the proportion equation
3,205,690.36 : 4,423,907.10 = 1,755,362.68 : x - Step 2: Convert to fraction form
3,205,690.36/4,423,907.10 = 1,755,362.68/x - Step 3: Cross multiply
3,205,690.36x = 4,423,907.10 × 1,755,362.68 - Step 4: Simplify right side
3,205,690.36x = 7,765,561,423,127.03 - Step 5: Solve for x
x = 7,765,561,423,127.03/3,205,690.36 - Step 6: Final answer
x = 2,422,430.29
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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.