Finding the Fourth Proportional to 3,209,218.95, 4,428,067.64 and 1,901,894.75
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Solution
The fourth proportional to 3,209,218.95, 4,428,067.64 and 1,901,894.75 is: 2,624,226.86
Step by Step Solution
- Step 1: Write the proportion equation
3,209,218.95 : 4,428,067.64 = 1,901,894.75 : x - Step 2: Convert to fraction form
3,209,218.95/4,428,067.64 = 1,901,894.75/x - Step 3: Cross multiply
3,209,218.95x = 4,428,067.64 × 1,901,894.75 - Step 4: Simplify right side
3,209,218.95x = 8,421,718,565,511.08 - Step 5: Solve for x
x = 8,421,718,565,511.08/3,209,218.95 - Step 6: Final answer
x = 2,624,226.86
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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.