Finding the Fourth Proportional to 4,028,881.44, 5,559,656.40 and 2,218,006.56
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Solution
The fourth proportional to 4,028,881.44, 5,559,656.40 and 2,218,006.56 is: 3,060,738.95
Step by Step Solution
- Step 1: Write the proportion equation
4,028,881.44 : 5,559,656.40 = 2,218,006.56 : x - Step 2: Convert to fraction form
4,028,881.44/5,559,656.40 = 2,218,006.56/x - Step 3: Cross multiply
4,028,881.44x = 5,559,656.40 × 2,218,006.56 - Step 4: Simplify right side
4,028,881.44x = 12,331,354,366,545.98 - Step 5: Solve for x
x = 12,331,354,366,545.98/4,028,881.44 - Step 6: Final answer
x = 3,060,738.95
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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.