Finding the Fourth Proportional to 2,219,993.99, 3,063,590.48 and 1,253,132.63
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Solution
The fourth proportional to 2,219,993.99, 3,063,590.48 and 1,253,132.63 is: 1,729,322.33
Step by Step Solution
- Step 1: Write the proportion equation
2,219,993.99 : 3,063,590.48 = 1,253,132.63 : x - Step 2: Convert to fraction form
2,219,993.99/3,063,590.48 = 1,253,132.63/x - Step 3: Cross multiply
2,219,993.99x = 3,063,590.48 × 1,253,132.63 - Step 4: Simplify right side
2,219,993.99x = 3,839,085,189,179.70 - Step 5: Solve for x
x = 3,839,085,189,179.70/2,219,993.99 - Step 6: Final answer
x = 1,729,322.33
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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.