Finding the Fourth Proportional to 5,758,970.40, 7,947,227.04 and 3,180,595.68
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Solution
The fourth proportional to 5,758,970.40, 7,947,227.04 and 3,180,595.68 is: 4,389,138.03
Step by Step Solution
- Step 1: Write the proportion equation
5,758,970.40 : 7,947,227.04 = 3,180,595.68 : x - Step 2: Convert to fraction form
5,758,970.40/7,947,227.04 = 3,180,595.68/x - Step 3: Cross multiply
5,758,970.40x = 7,947,227.04 × 3,180,595.68 - Step 4: Simplify right side
5,758,970.40x = 25,276,915,991,403.19 - Step 5: Solve for x
x = 25,276,915,991,403.19/5,758,970.40 - Step 6: Final answer
x = 4,389,138.03
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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.