Finding the Fourth Proportional to 5,425,994.99, 7,487,679.29 and 3,071,142.34
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Solution
The fourth proportional to 5,425,994.99, 7,487,679.29 and 3,071,142.34 is: 4,238,066.73
Step by Step Solution
- Step 1: Write the proportion equation
5,425,994.99 : 7,487,679.29 = 3,071,142.34 : x - Step 2: Convert to fraction form
5,425,994.99/7,487,679.29 = 3,071,142.34/x - Step 3: Cross multiply
5,425,994.99x = 7,487,679.29 × 3,071,142.34 - Step 4: Simplify right side
5,425,994.99x = 22,995,728,861,785.23 - Step 5: Solve for x
x = 22,995,728,861,785.23/5,425,994.99 - Step 6: Final answer
x = 4,238,066.73
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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.