Finding the Fourth Proportional to 3,814,985.68, 5,721,590.76 and 1,419,958.24
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Solution
The fourth proportional to 3,814,985.68, 5,721,590.76 and 1,419,958.24 is: 2,129,606.93
Step by Step Solution
- Step 1: Write the proportion equation
3,814,985.68 : 5,721,590.76 = 1,419,958.24 : x - Step 2: Convert to fraction form
3,814,985.68/5,721,590.76 = 1,419,958.24/x - Step 3: Cross multiply
3,814,985.68x = 5,721,590.76 × 1,419,958.24 - Step 4: Simplify right side
3,814,985.68x = 8,124,419,945,569.86 - Step 5: Solve for x
x = 8,124,419,945,569.86/3,814,985.68 - Step 6: Final answer
x = 2,129,606.93
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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.