Finding the Fourth Proportional to 2,363,206.26, 3,261,208.05 and 1,290,118.26
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Solution
The fourth proportional to 2,363,206.26, 3,261,208.05 and 1,290,118.26 is: 1,780,354.14
Step by Step Solution
- Step 1: Write the proportion equation
2,363,206.26 : 3,261,208.05 = 1,290,118.26 : x - Step 2: Convert to fraction form
2,363,206.26/3,261,208.05 = 1,290,118.26/x - Step 3: Cross multiply
2,363,206.26x = 3,261,208.05 × 1,290,118.26 - Step 4: Simplify right side
2,363,206.26x = 4,207,344,054,963.99 - Step 5: Solve for x
x = 4,207,344,054,963.99/2,363,206.26 - Step 6: Final answer
x = 1,780,354.14
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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.