Finding the Fourth Proportional to 5,638,694.58, 7,781,473.17 and 3,060,406.26
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Solution
The fourth proportional to 5,638,694.58, 7,781,473.17 and 3,060,406.26 is: 4,223,401.15
Step by Step Solution
- Step 1: Write the proportion equation
5,638,694.58 : 7,781,473.17 = 3,060,406.26 : x - Step 2: Convert to fraction form
5,638,694.58/7,781,473.17 = 3,060,406.26/x - Step 3: Cross multiply
5,638,694.58x = 7,781,473.17 × 3,060,406.26 - Step 4: Simplify right side
5,638,694.58x = 23,814,469,201,490.04 - Step 5: Solve for x
x = 23,814,469,201,490.04/5,638,694.58 - Step 6: Final answer
x = 4,223,401.15
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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.