Finding the Fourth Proportional to 5,658,605.83, 7,808,876.94 and 3,080,305.90
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Solution
The fourth proportional to 5,658,605.83, 7,808,876.94 and 3,080,305.90 is: 4,250,822.63
Step by Step Solution
- Step 1: Write the proportion equation
5,658,605.83 : 7,808,876.94 = 3,080,305.90 : x - Step 2: Convert to fraction form
5,658,605.83/7,808,876.94 = 3,080,305.90/x - Step 3: Cross multiply
5,658,605.83x = 7,808,876.94 × 3,080,305.90 - Step 4: Simplify right side
5,658,605.83x = 24,053,729,710,655.95 - Step 5: Solve for x
x = 24,053,729,710,655.95/5,658,605.83 - Step 6: Final answer
x = 4,250,822.63
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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.