Finding the Fourth Proportional to 2,055,378.81, 2,836,186.09 and 1,184,340.45
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Solution
The fourth proportional to 2,055,378.81, 2,836,186.09 and 1,184,340.45 is: 1,634,253.45
Step by Step Solution
- Step 1: Write the proportion equation
2,055,378.81 : 2,836,186.09 = 1,184,340.45 : x - Step 2: Convert to fraction form
2,055,378.81/2,836,186.09 = 1,184,340.45/x - Step 3: Cross multiply
2,055,378.81x = 2,836,186.09 × 1,184,340.45 - Step 4: Simplify right side
2,055,378.81x = 3,359,009,910,114.34 - Step 5: Solve for x
x = 3,359,009,910,114.34/2,055,378.81 - Step 6: Final answer
x = 1,634,253.45
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1.5x scale
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.