Finding the Fourth Proportional to 1,415,213.39, 1,952,481.57 and 803,011.61
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Solution
The fourth proportional to 1,415,213.39, 1,952,481.57 and 803,011.61 is: 1,107,864.99
Step by Step Solution
- Step 1: Write the proportion equation
1,415,213.39 : 1,952,481.57 = 803,011.61 : x - Step 2: Convert to fraction form
1,415,213.39/1,952,481.57 = 803,011.61/x - Step 3: Cross multiply
1,415,213.39x = 1,952,481.57 × 803,011.61 - Step 4: Simplify right side
1,415,213.39x = 1,567,865,369,021.03 - Step 5: Solve for x
x = 1,567,865,369,021.03/1,415,213.39 - Step 6: Final answer
x = 1,107,864.99
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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.