Finding the Fourth Proportional to 5,767,886.70, 8,651,830.05 and 4,830,101.10
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Solution
The fourth proportional to 5,767,886.70, 8,651,830.05 and 4,830,101.10 is: 7,245,151.65
Step by Step Solution
- Step 1: Write the proportion equation
5,767,886.70 : 8,651,830.05 = 4,830,101.10 : x - Step 2: Convert to fraction form
5,767,886.70/8,651,830.05 = 4,830,101.10/x - Step 3: Cross multiply
5,767,886.70x = 8,651,830.05 × 4,830,101.10 - Step 4: Simplify right side
5,767,886.70x = 41,789,213,841,518.05 - Step 5: Solve for x
x = 41,789,213,841,518.05/5,767,886.70 - Step 6: Final answer
x = 7,245,151.65
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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.