Finding the Fourth Proportional to 1,472,276.40, 2,031,729.21 and 827,699.46
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Solution
The fourth proportional to 1,472,276.40, 2,031,729.21 and 827,699.46 is: 1,142,218.38
Step by Step Solution
- Step 1: Write the proportion equation
1,472,276.40 : 2,031,729.21 = 827,699.46 : x - Step 2: Convert to fraction form
1,472,276.40/2,031,729.21 = 827,699.46/x - Step 3: Cross multiply
1,472,276.40x = 2,031,729.21 × 827,699.46 - Step 4: Simplify right side
1,472,276.40x = 1,681,661,169,983.23 - Step 5: Solve for x
x = 1,681,661,169,983.23/1,472,276.40 - Step 6: Final answer
x = 1,142,218.38
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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.