Finding the Fourth Proportional to 5,513,317.21, 7,607,262.81 and 3,221,035.03
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Solution
The fourth proportional to 5,513,317.21, 7,607,262.81 and 3,221,035.03 is: 4,444,376.96
Step by Step Solution
- Step 1: Write the proportion equation
5,513,317.21 : 7,607,262.81 = 3,221,035.03 : x - Step 2: Convert to fraction form
5,513,317.21/7,607,262.81 = 3,221,035.03/x - Step 3: Cross multiply
5,513,317.21x = 7,607,262.81 × 3,221,035.03 - Step 4: Simplify right side
5,513,317.21x = 24,503,259,986,486.96 - Step 5: Solve for x
x = 24,503,259,986,486.96/5,513,317.21 - Step 6: Final answer
x = 4,444,376.96
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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.