Finding the Fourth Proportional to 2,898,795.79, 4,000,438.79 and 1,609,657.70
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Solution
The fourth proportional to 2,898,795.79, 4,000,438.79 and 1,609,657.70 is: 2,221,383.49
Step by Step Solution
- Step 1: Write the proportion equation
2,898,795.79 : 4,000,438.79 = 1,609,657.70 : x - Step 2: Convert to fraction form
2,898,795.79/4,000,438.79 = 1,609,657.70/x - Step 3: Cross multiply
2,898,795.79x = 4,000,438.79 × 1,609,657.70 - Step 4: Simplify right side
2,898,795.79x = 6,439,337,109,691.21 - Step 5: Solve for x
x = 6,439,337,109,691.21/2,898,795.79 - Step 6: Final answer
x = 2,221,383.49
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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.