Finding the Fourth Proportional to 2,709,861.92, 4,064,794.70 and 688,257.44
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Solution
The fourth proportional to 2,709,861.92, 4,064,794.70 and 688,257.44 is: 1,032,386.62
Step by Step Solution
- Step 1: Write the proportion equation
2,709,861.92 : 4,064,794.70 = 688,257.44 : x - Step 2: Convert to fraction form
2,709,861.92/4,064,794.70 = 688,257.44/x - Step 3: Cross multiply
2,709,861.92x = 4,064,794.70 × 688,257.44 - Step 4: Simplify right side
2,709,861.92x = 2,797,625,194,347.57 - Step 5: Solve for x
x = 2,797,625,194,347.57/2,709,861.92 - Step 6: Final answer
x = 1,032,386.62
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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.