Finding the Fourth Proportional to 1,889,543.80, 2,607,492.87 and 1,062,593.74
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Solution
The fourth proportional to 1,889,543.80, 2,607,492.87 and 1,062,593.74 is: 1,466,335.74
Step by Step Solution
- Step 1: Write the proportion equation
1,889,543.80 : 2,607,492.87 = 1,062,593.74 : x - Step 2: Convert to fraction form
1,889,543.80/2,607,492.87 = 1,062,593.74/x - Step 3: Cross multiply
1,889,543.80x = 2,607,492.87 × 1,062,593.74 - Step 4: Simplify right side
1,889,543.80x = 2,770,705,604,016 - Step 5: Solve for x
x = 2,770,705,604,016/1,889,543.80 - Step 6: Final answer
x = 1,466,335.74
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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.