Finding the Fourth Proportional to 1,415,207.89, 1,952,473.98 and 803,006.11
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Solution
The fourth proportional to 1,415,207.89, 1,952,473.98 and 803,006.11 is: 1,107,857.40
Step by Step Solution
- Step 1: Write the proportion equation
1,415,207.89 : 1,952,473.98 = 803,006.11 : x - Step 2: Convert to fraction form
1,415,207.89/1,952,473.98 = 803,006.11/x - Step 3: Cross multiply
1,415,207.89x = 1,952,473.98 × 803,006.11 - Step 4: Simplify right side
1,415,207.89x = 1,567,848,535,556.02 - Step 5: Solve for x
x = 1,567,848,535,556.02/1,415,207.89 - Step 6: Final answer
x = 1,107,857.40
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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.