Finding the Fourth Proportional to 4,652,888.40, 6,418,364.16 and 2,718,738.48
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Solution
The fourth proportional to 4,652,888.40, 6,418,364.16 and 2,718,738.48 is: 3,750,327.13
Step by Step Solution
- Step 1: Write the proportion equation
4,652,888.40 : 6,418,364.16 = 2,718,738.48 : x - Step 2: Convert to fraction form
4,652,888.40/6,418,364.16 = 2,718,738.48/x - Step 3: Cross multiply
4,652,888.40x = 6,418,364.16 × 2,718,738.48 - Step 4: Simplify right side
4,652,888.40x = 17,449,853,620,444.88 - Step 5: Solve for x
x = 17,449,853,620,444.88/4,652,888.40 - Step 6: Final answer
x = 3,750,327.13
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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.