Finding the Fourth Proportional to 2,992,116.70, 4,485,222.60 and 1,474,557.40
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Solution
The fourth proportional to 2,992,116.70, 4,485,222.60 and 1,474,557.40 is: 2,210,381.09
Step by Step Solution
- Step 1: Write the proportion equation
2,992,116.70 : 4,485,222.60 = 1,474,557.40 : x - Step 2: Convert to fraction form
2,992,116.70/4,485,222.60 = 1,474,557.40/x - Step 3: Cross multiply
2,992,116.70x = 4,485,222.60 × 1,474,557.40 - Step 4: Simplify right side
2,992,116.70x = 6,613,718,175,477.24 - Step 5: Solve for x
x = 6,613,718,175,477.24/2,992,116.70 - Step 6: Final answer
x = 2,210,381.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.