Finding the Fourth Proportional to 3,246,482.09, 4,480,277.16 and 1,796,153.91
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Solution
The fourth proportional to 3,246,482.09, 4,480,277.16 and 1,796,153.91 is: 2,478,765.35
Step by Step Solution
- Step 1: Write the proportion equation
3,246,482.09 : 4,480,277.16 = 1,796,153.91 : x - Step 2: Convert to fraction form
3,246,482.09/4,480,277.16 = 1,796,153.91/x - Step 3: Cross multiply
3,246,482.09x = 4,480,277.16 × 1,796,153.91 - Step 4: Simplify right side
3,246,482.09x = 8,047,267,328,752.24 - Step 5: Solve for x
x = 8,047,267,328,752.24/3,246,482.09 - Step 6: Final answer
x = 2,478,765.35
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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.