Finding the Fourth Proportional to 1,831,399.68, 2,526,478.80 and 1,187,028.48
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Solution
The fourth proportional to 1,831,399.68, 2,526,478.80 and 1,187,028.48 is: 1,637,546.58
Step by Step Solution
- Step 1: Write the proportion equation
1,831,399.68 : 2,526,478.80 = 1,187,028.48 : x - Step 2: Convert to fraction form
1,831,399.68/2,526,478.80 = 1,187,028.48/x - Step 3: Cross multiply
1,831,399.68x = 2,526,478.80 × 1,187,028.48 - Step 4: Simplify right side
1,831,399.68x = 2,999,002,289,716.22 - Step 5: Solve for x
x = 2,999,002,289,716.22/1,831,399.68 - Step 6: Final answer
x = 1,637,546.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.