Finding the Fourth Proportional to 5,132,848.08, 7,083,244.62 and 2,840,959.56
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Solution
The fourth proportional to 5,132,848.08, 7,083,244.62 and 2,840,959.56 is: 3,920,476.74
Step by Step Solution
- Step 1: Write the proportion equation
5,132,848.08 : 7,083,244.62 = 2,840,959.56 : x - Step 2: Convert to fraction form
5,132,848.08/7,083,244.62 = 2,840,959.56/x - Step 3: Cross multiply
5,132,848.08x = 7,083,244.62 × 2,840,959.56 - Step 4: Simplify right side
5,132,848.08x = 20,123,211,519,007.57 - Step 5: Solve for x
x = 20,123,211,519,007.57/5,132,848.08 - Step 6: Final answer
x = 3,920,476.74
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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.