Finding the Fourth Proportional to 2,151,708.75, 2,969,358.08 and 1,184,836.95
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Solution
The fourth proportional to 2,151,708.75, 2,969,358.08 and 1,184,836.95 is: 1,635,074.99
Step by Step Solution
- Step 1: Write the proportion equation
2,151,708.75 : 2,969,358.08 = 1,184,836.95 : x - Step 2: Convert to fraction form
2,151,708.75/2,969,358.08 = 1,184,836.95/x - Step 3: Cross multiply
2,151,708.75x = 2,969,358.08 × 1,184,836.95 - Step 4: Simplify right side
2,151,708.75x = 3,518,205,165,040.87 - Step 5: Solve for x
x = 3,518,205,165,040.87/2,151,708.75 - Step 6: Final answer
x = 1,635,074.99
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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.