Finding the Fourth Proportional to 1,725,193.25, 2,380,775.92 and 990,088.91
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Solution
The fourth proportional to 1,725,193.25, 2,380,775.92 and 990,088.91 is: 1,366,327.99
Step by Step Solution
- Step 1: Write the proportion equation
1,725,193.25 : 2,380,775.92 = 990,088.91 : x - Step 2: Convert to fraction form
1,725,193.25/2,380,775.92 = 990,088.91/x - Step 3: Cross multiply
1,725,193.25x = 2,380,775.92 × 990,088.91 - Step 4: Simplify right side
1,725,193.25x = 2,357,179,821,207.95 - Step 5: Solve for x
x = 2,357,179,821,207.95/1,725,193.25 - Step 6: Final answer
x = 1,366,327.99
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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.