Finding the Fourth Proportional to 2,406,170.17, 3,320,294.02 and 1,387,378.09
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Solution
The fourth proportional to 2,406,170.17, 3,320,294.02 and 1,387,378.09 is: 1,914,454.44
Step by Step Solution
- Step 1: Write the proportion equation
2,406,170.17 : 3,320,294.02 = 1,387,378.09 : x - Step 2: Convert to fraction form
2,406,170.17/3,320,294.02 = 1,387,378.09/x - Step 3: Cross multiply
2,406,170.17x = 3,320,294.02 × 1,387,378.09 - Step 4: Simplify right side
2,406,170.17x = 4,606,503,175,706.02 - Step 5: Solve for x
x = 4,606,503,175,706.02/2,406,170.17 - Step 6: Final answer
x = 1,914,454.44
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1.5x scale
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.