Finding the Fourth Proportional to 2,755,264.70, 4,128,972.09 and 2,029,901.96
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Solution
The fourth proportional to 2,755,264.70, 4,128,972.09 and 2,029,901.96 is: 3,041,961.28
Step by Step Solution
- Step 1: Write the proportion equation
2,755,264.70 : 4,128,972.09 = 2,029,901.96 : x - Step 2: Convert to fraction form
2,755,264.70/4,128,972.09 = 2,029,901.96/x - Step 3: Cross multiply
2,755,264.70x = 4,128,972.09 × 2,029,901.96 - Step 4: Simplify right side
2,755,264.70x = 8,381,408,538,276.30 - Step 5: Solve for x
x = 8,381,408,538,276.30/2,755,264.70 - Step 6: Final answer
x = 3,041,961.28
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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.