Finding the Fourth Proportional to 1,725,194.75, 2,380,777.99 and 990,090.41
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Solution
The fourth proportional to 1,725,194.75, 2,380,777.99 and 990,090.41 is: 1,366,330.07
Step by Step Solution
- Step 1: Write the proportion equation
1,725,194.75 : 2,380,777.99 = 990,090.41 : x - Step 2: Convert to fraction form
1,725,194.75/2,380,777.99 = 990,090.41/x - Step 3: Cross multiply
1,725,194.75x = 2,380,777.99 × 990,090.41 - Step 4: Simplify right side
1,725,194.75x = 2,357,185,456,238.08 - Step 5: Solve for x
x = 2,357,185,456,238.08/1,725,194.75 - Step 6: Final answer
x = 1,366,330.07
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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.