Finding the Fourth Proportional to 1,764,087.03, 2,435,811.36 and 1,355,544.90
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Solution
The fourth proportional to 1,764,087.03, 2,435,811.36 and 1,355,544.90 is: 1,871,705.65
Step by Step Solution
- Step 1: Write the proportion equation
1,764,087.03 : 2,435,811.36 = 1,355,544.90 : x - Step 2: Convert to fraction form
1,764,087.03/2,435,811.36 = 1,355,544.90/x - Step 3: Cross multiply
1,764,087.03x = 2,435,811.36 × 1,355,544.90 - Step 4: Simplify right side
1,764,087.03x = 3,301,851,666,410.06 - Step 5: Solve for x
x = 3,301,851,666,410.06/1,764,087.03 - Step 6: Final answer
x = 1,871,705.65
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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.