Finding the Fourth Proportional to 3,603,501.14, 4,972,754.85 and 1,971,901.94
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Solution
The fourth proportional to 3,603,501.14, 4,972,754.85 and 1,971,901.94 is: 2,721,182.69
Step by Step Solution
- Step 1: Write the proportion equation
3,603,501.14 : 4,972,754.85 = 1,971,901.94 : x - Step 2: Convert to fraction form
3,603,501.14/4,972,754.85 = 1,971,901.94/x - Step 3: Cross multiply
3,603,501.14x = 4,972,754.85 × 1,971,901.94 - Step 4: Simplify right side
3,603,501.14x = 9,805,784,935,859.41 - Step 5: Solve for x
x = 9,805,784,935,859.41/3,603,501.14 - Step 6: Final answer
x = 2,721,182.69
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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.