Finding the Fourth Proportional to 3,438,260.87, 4,744,800.99 and 1,910,367.99
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Solution
The fourth proportional to 3,438,260.87, 4,744,800.99 and 1,910,367.99 is: 2,636,308.38
Step by Step Solution
- Step 1: Write the proportion equation
3,438,260.87 : 4,744,800.99 = 1,910,367.99 : x - Step 2: Convert to fraction form
3,438,260.87/4,744,800.99 = 1,910,367.99/x - Step 3: Cross multiply
3,438,260.87x = 4,744,800.99 × 1,910,367.99 - Step 4: Simplify right side
3,438,260.87x = 9,064,315,930,216.31 - Step 5: Solve for x
x = 9,064,315,930,216.31/3,438,260.87 - Step 6: Final answer
x = 2,636,308.38
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1.5x scale
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.