Finding the Fourth Proportional to 3,148,738.24, 4,346,599.50 and 2,116,844.52
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Solution
The fourth proportional to 3,148,738.24, 4,346,599.50 and 2,116,844.52 is: 2,922,146.79
Step by Step Solution
- Step 1: Write the proportion equation
3,148,738.24 : 4,346,599.50 = 2,116,844.52 : x - Step 2: Convert to fraction form
3,148,738.24/4,346,599.50 = 2,116,844.52/x - Step 3: Cross multiply
3,148,738.24x = 4,346,599.50 × 2,116,844.52 - Step 4: Simplify right side
3,148,738.24x = 9,201,075,332,209.74 - Step 5: Solve for x
x = 9,201,075,332,209.74/3,148,738.24 - Step 6: Final answer
x = 2,922,146.79
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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.