Finding the Fourth Proportional to 3,169,411.69, 4,373,755.96 and 1,719,075.99
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Solution
The fourth proportional to 3,169,411.69, 4,373,755.96 and 1,719,075.99 is: 2,372,307.42
Step by Step Solution
- Step 1: Write the proportion equation
3,169,411.69 : 4,373,755.96 = 1,719,075.99 : x - Step 2: Convert to fraction form
3,169,411.69/4,373,755.96 = 1,719,075.99/x - Step 3: Cross multiply
3,169,411.69x = 4,373,755.96 × 1,719,075.99 - Step 4: Simplify right side
3,169,411.69x = 7,518,818,856,955.40 - Step 5: Solve for x
x = 7,518,818,856,955.40/3,169,411.69 - Step 6: Final answer
x = 2,372,307.42
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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.