Finding the Fourth Proportional to 2,215,272.77, 3,057,645.18 and 1,442,828.42
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Solution
The fourth proportional to 2,215,272.77, 3,057,645.18 and 1,442,828.42 is: 1,991,473.66
Step by Step Solution
- Step 1: Write the proportion equation
2,215,272.77 : 3,057,645.18 = 1,442,828.42 : x - Step 2: Convert to fraction form
2,215,272.77/3,057,645.18 = 1,442,828.42/x - Step 3: Cross multiply
2,215,272.77x = 3,057,645.18 × 1,442,828.42 - Step 4: Simplify right side
2,215,272.77x = 4,411,657,377,034.74 - Step 5: Solve for x
x = 4,411,657,377,034.74/2,215,272.77 - Step 6: Final answer
x = 1,991,473.66
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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.