Finding the Fourth Proportional to 3,428,154.12, 4,730,750.26 and 1,879,362.84
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Solution
The fourth proportional to 3,428,154.12, 4,730,750.26 and 1,879,362.84 is: 2,593,464.57
Step by Step Solution
- Step 1: Write the proportion equation
3,428,154.12 : 4,730,750.26 = 1,879,362.84 : x - Step 2: Convert to fraction form
3,428,154.12/4,730,750.26 = 1,879,362.84/x - Step 3: Cross multiply
3,428,154.12x = 4,730,750.26 × 1,879,362.84 - Step 4: Simplify right side
3,428,154.12x = 8,890,796,257,006.25 - Step 5: Solve for x
x = 8,890,796,257,006.25/3,428,154.12 - Step 6: Final answer
x = 2,593,464.57
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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.