Finding the Fourth Proportional to 3,205,374.05, 4,423,415.67 and 1,755,069.26
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Solution
The fourth proportional to 3,205,374.05, 4,423,415.67 and 1,755,069.26 is: 2,421,995.29
Step by Step Solution
- Step 1: Write the proportion equation
3,205,374.05 : 4,423,415.67 = 1,755,069.26 : x - Step 2: Convert to fraction form
3,205,374.05/4,423,415.67 = 1,755,069.26/x - Step 3: Cross multiply
3,205,374.05x = 4,423,415.67 × 1,755,069.26 - Step 4: Simplify right side
3,205,374.05x = 7,763,400,844,502.23 - Step 5: Solve for x
x = 7,763,400,844,502.23/3,205,374.05 - Step 6: Final answer
x = 2,421,995.29
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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.