Finding the Fourth Proportional to 5,252,670.96, 7,878,414.68 and 1,414,774.30
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Solution
The fourth proportional to 5,252,670.96, 7,878,414.68 and 1,414,774.30 is: 2,122,002.06
Step by Step Solution
- Step 1: Write the proportion equation
5,252,670.96 : 7,878,414.68 = 1,414,774.30 : x - Step 2: Convert to fraction form
5,252,670.96/7,878,414.68 = 1,414,774.30/x - Step 3: Cross multiply
5,252,670.96x = 7,878,414.68 × 1,414,774.30 - Step 4: Simplify right side
5,252,670.96x = 11,146,178,614,006.72 - Step 5: Solve for x
x = 11,146,178,614,006.72/5,252,670.96 - Step 6: Final answer
x = 2,122,002.06
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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.