Finding the Fourth Proportional to 3,418,586.48, 4,719,101.95 and 2,130,063.49
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Solution
The fourth proportional to 3,418,586.48, 4,719,101.95 and 2,130,063.49 is: 2,940,392.71
Step by Step Solution
- Step 1: Write the proportion equation
3,418,586.48 : 4,719,101.95 = 2,130,063.49 : x - Step 2: Convert to fraction form
3,418,586.48/4,719,101.95 = 2,130,063.49/x - Step 3: Cross multiply
3,418,586.48x = 4,719,101.95 × 2,130,063.49 - Step 4: Simplify right side
3,418,586.48x = 10,051,986,777,844.26 - Step 5: Solve for x
x = 10,051,986,777,844.26/3,418,586.48 - Step 6: Final answer
x = 2,940,392.71
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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.