Finding the Fourth Proportional to 3,190,901.79, 4,786,394.35 and 1,060,985.91
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Solution
The fourth proportional to 3,190,901.79, 4,786,394.35 and 1,060,985.91 is: 1,591,492.72
Step by Step Solution
- Step 1: Write the proportion equation
3,190,901.79 : 4,786,394.35 = 1,060,985.91 : x - Step 2: Convert to fraction form
3,190,901.79/4,786,394.35 = 1,060,985.91/x - Step 3: Cross multiply
3,190,901.79x = 4,786,394.35 × 1,060,985.91 - Step 4: Simplify right side
3,190,901.79x = 5,078,296,965,053.61 - Step 5: Solve for x
x = 5,078,296,965,053.61/3,190,901.79 - Step 6: Final answer
x = 1,591,492.72
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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.