Finding the Fourth Proportional to 6,681,133.82, 9,219,970.79 and 3,625,348.07
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Solution
The fourth proportional to 6,681,133.82, 9,219,970.79 and 3,625,348.07 is: 5,002,983.65
Step by Step Solution
- Step 1: Write the proportion equation
6,681,133.82 : 9,219,970.79 = 3,625,348.07 : x - Step 2: Convert to fraction form
6,681,133.82/9,219,970.79 = 3,625,348.07/x - Step 3: Cross multiply
6,681,133.82x = 9,219,970.79 × 3,625,348.07 - Step 4: Simplify right side
6,681,133.82x = 33,425,603,244,756.28 - Step 5: Solve for x
x = 33,425,603,244,756.28/6,681,133.82 - Step 6: Final answer
x = 5,002,983.65
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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.