Finding the Fourth Proportional to 1,529,434.44, 2,110,022.19 and 875,711.12
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Solution
The fourth proportional to 1,529,434.44, 2,110,022.19 and 875,711.12 is: 1,208,139.32
Step by Step Solution
- Step 1: Write the proportion equation
1,529,434.44 : 2,110,022.19 = 875,711.12 : x - Step 2: Convert to fraction form
1,529,434.44/2,110,022.19 = 875,711.12/x - Step 3: Cross multiply
1,529,434.44x = 2,110,022.19 × 875,711.12 - Step 4: Simplify right side
1,529,434.44x = 1,847,769,884,679.64 - Step 5: Solve for x
x = 1,847,769,884,679.64/1,529,434.44 - Step 6: Final answer
x = 1,208,139.32
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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.