Finding the Fourth Proportional to 1,456,197.96, 2,009,562.54 and 811,659.09
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Solution
The fourth proportional to 1,456,197.96, 2,009,562.54 and 811,659.09 is: 1,120,094.76
Step by Step Solution
- Step 1: Write the proportion equation
1,456,197.96 : 2,009,562.54 = 811,659.09 : x - Step 2: Convert to fraction form
1,456,197.96/2,009,562.54 = 811,659.09/x - Step 3: Cross multiply
1,456,197.96x = 2,009,562.54 × 811,659.09 - Step 4: Simplify right side
1,456,197.96x = 1,631,079,702,514.49 - Step 5: Solve for x
x = 1,631,079,702,514.49/1,456,197.96 - Step 6: Final answer
x = 1,120,094.76
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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.