Finding the Fourth Proportional to 6,270,674.19, 8,653,512.69 and 3,480,218.76
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Solution
The fourth proportional to 6,270,674.19, 8,653,512.69 and 3,480,218.76 is: 4,802,692.07
Step by Step Solution
- Step 1: Write the proportion equation
6,270,674.19 : 8,653,512.69 = 3,480,218.76 : x - Step 2: Convert to fraction form
6,270,674.19/8,653,512.69 = 3,480,218.76/x - Step 3: Cross multiply
6,270,674.19x = 8,653,512.69 × 3,480,218.76 - Step 4: Simplify right side
6,270,674.19x = 30,116,117,203,636.06 - Step 5: Solve for x
x = 30,116,117,203,636.06/6,270,674.19 - Step 6: Final answer
x = 4,802,692.07
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1.5x scale
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.