Finding the Fourth Proportional to 5,921,416.02, 8,168,143.20 and 3,564,973.32
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Solution
The fourth proportional to 5,921,416.02, 8,168,143.20 and 3,564,973.32 is: 4,917,609.65
Step by Step Solution
- Step 1: Write the proportion equation
5,921,416.02 : 8,168,143.20 = 3,564,973.32 : x - Step 2: Convert to fraction form
5,921,416.02/8,168,143.20 = 3,564,973.32/x - Step 3: Cross multiply
5,921,416.02x = 8,168,143.20 × 3,564,973.32 - Step 4: Simplify right side
5,921,416.02x = 29,119,212,581,939.42 - Step 5: Solve for x
x = 29,119,212,581,939.42/5,921,416.02 - Step 6: Final answer
x = 4,917,609.65
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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.