Finding the Fourth Proportional to 4,869,898.88, 7,305,844.56 and 1,674,609.92
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Solution
The fourth proportional to 4,869,898.88, 7,305,844.56 and 1,674,609.92 is: 2,512,257.46
Step by Step Solution
- Step 1: Write the proportion equation
4,869,898.88 : 7,305,844.56 = 1,674,609.92 : x - Step 2: Convert to fraction form
4,869,898.88/7,305,844.56 = 1,674,609.92/x - Step 3: Cross multiply
4,869,898.88x = 7,305,844.56 × 1,674,609.92 - Step 4: Simplify right side
4,869,898.88x = 12,234,439,774,154.03 - Step 5: Solve for x
x = 12,234,439,774,154.03/4,869,898.88 - Step 6: Final answer
x = 2,512,257.46
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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.