Finding the Fourth Proportional to 4,259,171.36, 6,382,292.60 and 3,122,690.06
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Solution
The fourth proportional to 4,259,171.36, 6,382,292.60 and 3,122,690.06 is: 4,679,295.57
Step by Step Solution
- Step 1: Write the proportion equation
4,259,171.36 : 6,382,292.60 = 3,122,690.06 : x - Step 2: Convert to fraction form
4,259,171.36/6,382,292.60 = 3,122,690.06/x - Step 3: Cross multiply
4,259,171.36x = 6,382,292.60 × 3,122,690.06 - Step 4: Simplify right side
4,259,171.36x = 19,929,921,662,031.55 - Step 5: Solve for x
x = 19,929,921,662,031.55/4,259,171.36 - Step 6: Final answer
x = 4,679,295.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.