Finding the Fourth Proportional to 5,479,317.23, 7,559,626.46 and 3,186,991.31
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Solution
The fourth proportional to 5,479,317.23, 7,559,626.46 and 3,186,991.31 is: 4,396,982.83
Step by Step Solution
- Step 1: Write the proportion equation
5,479,317.23 : 7,559,626.46 = 3,186,991.31 : x - Step 2: Convert to fraction form
5,479,317.23/7,559,626.46 = 3,186,991.31/x - Step 3: Cross multiply
5,479,317.23x = 7,559,626.46 × 3,186,991.31 - Step 4: Simplify right side
5,479,317.23x = 24,092,463,781,132.98 - Step 5: Solve for x
x = 24,092,463,781,132.98/5,479,317.23 - Step 6: Final answer
x = 4,396,982.83
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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.