Finding the Fourth Proportional to 4,559,218.40, 6,291,173.20 and 2,626,107.68
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Solution
The fourth proportional to 4,559,218.40, 6,291,173.20 and 2,626,107.68 is: 3,623,712.84
Step by Step Solution
- Step 1: Write the proportion equation
4,559,218.40 : 6,291,173.20 = 2,626,107.68 : x - Step 2: Convert to fraction form
4,559,218.40/6,291,173.20 = 2,626,107.68/x - Step 3: Cross multiply
4,559,218.40x = 6,291,173.20 × 2,626,107.68 - Step 4: Simplify right side
4,559,218.40x = 16,521,298,256,730.18 - Step 5: Solve for x
x = 16,521,298,256,730.18/4,559,218.40 - Step 6: Final answer
x = 3,623,712.84
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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.