Finding the Fourth Proportional to 4,643,145.24, 6,407,540.52 and 2,605,954.80
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Solution
The fourth proportional to 4,643,145.24, 6,407,540.52 and 2,605,954.80 is: 3,596,217.67
Step by Step Solution
- Step 1: Write the proportion equation
4,643,145.24 : 6,407,540.52 = 2,605,954.80 : x - Step 2: Convert to fraction form
4,643,145.24/6,407,540.52 = 2,605,954.80/x - Step 3: Cross multiply
4,643,145.24x = 6,407,540.52 × 2,605,954.80 - Step 4: Simplify right side
4,643,145.24x = 16,697,760,974,288.49 - Step 5: Solve for x
x = 16,697,760,974,288.49/4,643,145.24 - Step 6: Final answer
x = 3,596,217.67
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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.