Finding the Fourth Proportional to 2,699,490.05, 4,050,257.81 and 1,620,755.95
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Solution
The fourth proportional to 2,699,490.05, 4,050,257.81 and 1,620,755.95 is: 2,431,747.96
Step by Step Solution
- Step 1: Write the proportion equation
2,699,490.05 : 4,050,257.81 = 1,620,755.95 : x - Step 2: Convert to fraction form
2,699,490.05/4,050,257.81 = 1,620,755.95/x - Step 3: Cross multiply
2,699,490.05x = 4,050,257.81 × 1,620,755.95 - Step 4: Simplify right side
2,699,490.05x = 6,564,479,426,362.05 - Step 5: Solve for x
x = 6,564,479,426,362.05/2,699,490.05 - Step 6: Final answer
x = 2,431,747.96
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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.