Finding the Fourth Proportional to 5,202,446.64, 7,788,122.14 and 3,146,886.43
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Solution
The fourth proportional to 5,202,446.64, 7,788,122.14 and 3,146,886.43 is: 4,710,924.99
Step by Step Solution
- Step 1: Write the proportion equation
5,202,446.64 : 7,788,122.14 = 3,146,886.43 : x - Step 2: Convert to fraction form
5,202,446.64/7,788,122.14 = 3,146,886.43/x - Step 3: Cross multiply
5,202,446.64x = 7,788,122.14 × 3,146,886.43 - Step 4: Simplify right side
5,202,446.64x = 24,508,335,877,548.56 - Step 5: Solve for x
x = 24,508,335,877,548.56/5,202,446.64 - Step 6: Final answer
x = 4,710,924.99
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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.