Finding the Fourth Proportional to 2,151,583.11, 2,969,250.01 and 1,184,747.99
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Solution
The fourth proportional to 2,151,583.11, 2,969,250.01 and 1,184,747.99 is: 1,634,988.18
Step by Step Solution
- Step 1: Write the proportion equation
2,151,583.11 : 2,969,250.01 = 1,184,747.99 : x - Step 2: Convert to fraction form
2,151,583.11/2,969,250.01 = 1,184,747.99/x - Step 3: Cross multiply
2,151,583.11x = 2,969,250.01 × 1,184,747.99 - Step 4: Simplify right side
2,151,583.11x = 3,517,812,963,346.86 - Step 5: Solve for x
x = 3,517,812,963,346.86/2,151,583.11 - Step 6: Final answer
x = 1,634,988.18
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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.