Finding the Fourth Proportional to 4,627,303.36, 6,385,634.26 and 2,666,461.03
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Solution
The fourth proportional to 4,627,303.36, 6,385,634.26 and 2,666,461.03 is: 3,679,690.65
Step by Step Solution
- Step 1: Write the proportion equation
4,627,303.36 : 6,385,634.26 = 2,666,461.03 : x - Step 2: Convert to fraction form
4,627,303.36/6,385,634.26 = 2,666,461.03/x - Step 3: Cross multiply
4,627,303.36x = 6,385,634.26 × 2,666,461.03 - Step 4: Simplify right side
4,627,303.36x = 17,027,044,907,438.78 - Step 5: Solve for x
x = 17,027,044,907,438.78/4,627,303.36 - Step 6: Final answer
x = 3,679,690.65
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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.