Finding the Fourth Proportional to 3,005,881.84, 4,147,673.97 and 1,827,879.76
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Solution
The fourth proportional to 3,005,881.84, 4,147,673.97 and 1,827,879.76 is: 2,522,204.70
Step by Step Solution
- Step 1: Write the proportion equation
3,005,881.84 : 4,147,673.97 = 1,827,879.76 : x - Step 2: Convert to fraction form
3,005,881.84/4,147,673.97 = 1,827,879.76/x - Step 3: Cross multiply
3,005,881.84x = 4,147,673.97 × 1,827,879.76 - Step 4: Simplify right side
3,005,881.84x = 7,581,449,300,841.85 - Step 5: Solve for x
x = 7,581,449,300,841.85/3,005,881.84 - Step 6: Final answer
x = 2,522,204.70
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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.