Finding the Fourth Proportional to 5,579,373.96, 7,700,347.74 and 3,132,996.84
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Solution
The fourth proportional to 5,579,373.96, 7,700,347.74 and 3,132,996.84 is: 4,323,991.42
Step by Step Solution
- Step 1: Write the proportion equation
5,579,373.96 : 7,700,347.74 = 3,132,996.84 : x - Step 2: Convert to fraction form
5,579,373.96/7,700,347.74 = 3,132,996.84/x - Step 3: Cross multiply
5,579,373.96x = 7,700,347.74 × 3,132,996.84 - Step 4: Simplify right side
5,579,373.96x = 24,125,165,136,321.14 - Step 5: Solve for x
x = 24,125,165,136,321.14/5,579,373.96 - Step 6: Final answer
x = 4,323,991.42
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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.