Finding the Fourth Proportional to 3,457,732.60, 4,771,627.98 and 1,909,006.84
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Solution
The fourth proportional to 3,457,732.60, 4,771,627.98 and 1,909,006.84 is: 2,634,405.69
Step by Step Solution
- Step 1: Write the proportion equation
3,457,732.60 : 4,771,627.98 = 1,909,006.84 : x - Step 2: Convert to fraction form
3,457,732.60/4,771,627.98 = 1,909,006.84/x - Step 3: Cross multiply
3,457,732.60x = 4,771,627.98 × 1,909,006.84 - Step 4: Simplify right side
3,457,732.60x = 9,109,070,451,755.39 - Step 5: Solve for x
x = 9,109,070,451,755.39/3,457,732.60 - Step 6: Final answer
x = 2,634,405.69
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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.