Finding the Fourth Proportional to 5,628,151.68, 7,763,997.18 and 3,559,683.68
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Solution
The fourth proportional to 5,628,151.68, 7,763,997.18 and 3,559,683.68 is: 4,910,559.56
Step by Step Solution
- Step 1: Write the proportion equation
5,628,151.68 : 7,763,997.18 = 3,559,683.68 : x - Step 2: Convert to fraction form
5,628,151.68/7,763,997.18 = 3,559,683.68/x - Step 3: Cross multiply
5,628,151.68x = 7,763,997.18 × 3,559,683.68 - Step 4: Simplify right side
5,628,151.68x = 27,637,374,014,392.04 - Step 5: Solve for x
x = 27,637,374,014,392.04/5,628,151.68 - Step 6: Final answer
x = 4,910,559.56
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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.