Finding the Fourth Proportional to 2,841,140.97, 3,920,710.10 and 1,551,987.09
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Solution
The fourth proportional to 2,841,140.97, 3,920,710.10 and 1,551,987.09 is: 2,141,706.98
Step by Step Solution
- Step 1: Write the proportion equation
2,841,140.97 : 3,920,710.10 = 1,551,987.09 : x - Step 2: Convert to fraction form
2,841,140.97/3,920,710.10 = 1,551,987.09/x - Step 3: Cross multiply
2,841,140.97x = 3,920,710.10 × 1,551,987.09 - Step 4: Simplify right side
2,841,140.97x = 6,084,891,451,072.67 - Step 5: Solve for x
x = 6,084,891,451,072.67/2,841,140.97 - Step 6: Final answer
x = 2,141,706.98
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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.