Finding the Fourth Proportional to 4,944,599.61, 6,821,839.81 and 3,109,197.57
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Solution
The fourth proportional to 4,944,599.61, 6,821,839.81 and 3,109,197.57 is: 4,289,618.85
Step by Step Solution
- Step 1: Write the proportion equation
4,944,599.61 : 6,821,839.81 = 3,109,197.57 : x - Step 2: Convert to fraction form
4,944,599.61/6,821,839.81 = 3,109,197.57/x - Step 3: Cross multiply
4,944,599.61x = 6,821,839.81 × 3,109,197.57 - Step 4: Simplify right side
4,944,599.61x = 21,210,447,710,526.07 - Step 5: Solve for x
x = 21,210,447,710,526.07/4,944,599.61 - Step 6: Final answer
x = 4,289,618.85
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1.5x scale
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.