Finding the Fourth Proportional to 5,414,511.61, 8,122,791.58 and 2,176,301.35
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Solution
The fourth proportional to 5,414,511.61, 8,122,791.58 and 2,176,301.35 is: 3,264,863.68
Step by Step Solution
- Step 1: Write the proportion equation
5,414,511.61 : 8,122,791.58 = 2,176,301.35 : x - Step 2: Convert to fraction form
5,414,511.61/8,122,791.58 = 2,176,301.35/x - Step 3: Cross multiply
5,414,511.61x = 8,122,791.58 × 2,176,301.35 - Step 4: Simplify right side
5,414,511.61x = 17,677,642,281,322.63 - Step 5: Solve for x
x = 17,677,642,281,322.63/5,414,511.61 - Step 6: Final answer
x = 3,264,863.68
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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.