Finding the Fourth Proportional to 5,364,811.58, 7,403,140.78 and 3,073,119.88
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Solution
The fourth proportional to 5,364,811.58, 7,403,140.78 and 3,073,119.88 is: 4,240,734.04
Step by Step Solution
- Step 1: Write the proportion equation
5,364,811.58 : 7,403,140.78 = 3,073,119.88 : x - Step 2: Convert to fraction form
5,364,811.58/7,403,140.78 = 3,073,119.88/x - Step 3: Cross multiply
5,364,811.58x = 7,403,140.78 × 3,073,119.88 - Step 4: Simplify right side
5,364,811.58x = 22,750,739,105,456.71 - Step 5: Solve for x
x = 22,750,739,105,456.71/5,364,811.58 - Step 6: Final answer
x = 4,240,734.04
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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.