Finding the Fourth Proportional to 2,151,425.44, 2,969,037.84 and 1,184,626.72
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Solution
The fourth proportional to 2,151,425.44, 2,969,037.84 and 1,184,626.72 is: 1,634,823.82
Step by Step Solution
- Step 1: Write the proportion equation
2,151,425.44 : 2,969,037.84 = 1,184,626.72 : x - Step 2: Convert to fraction form
2,151,425.44/2,969,037.84 = 1,184,626.72/x - Step 3: Cross multiply
2,151,425.44x = 2,969,037.84 × 1,184,626.72 - Step 4: Simplify right side
2,151,425.44x = 3,517,201,557,955.08 - Step 5: Solve for x
x = 3,517,201,557,955.08/2,151,425.44 - Step 6: Final answer
x = 1,634,823.82
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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.