Finding the Fourth Proportional to 5,111,575.68, 7,053,935.04 and 2,819,832.96
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Solution
The fourth proportional to 5,111,575.68, 7,053,935.04 and 2,819,832.96 is: 3,891,347.75
Step by Step Solution
- Step 1: Write the proportion equation
5,111,575.68 : 7,053,935.04 = 2,819,832.96 : x - Step 2: Convert to fraction form
5,111,575.68/7,053,935.04 = 2,819,832.96/x - Step 3: Cross multiply
5,111,575.68x = 7,053,935.04 × 2,819,832.96 - Step 4: Simplify right side
5,111,575.68x = 19,890,918,523,490.92 - Step 5: Solve for x
x = 19,890,918,523,490.92/5,111,575.68 - Step 6: Final answer
x = 3,891,347.75
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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.