Finding the Fourth Proportional to 1,642,671.68, 2,266,862.80 and 917,529.92
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Solution
The fourth proportional to 1,642,671.68, 2,266,862.80 and 917,529.92 is: 1,266,177.82
Step by Step Solution
- Step 1: Write the proportion equation
1,642,671.68 : 2,266,862.80 = 917,529.92 : x - Step 2: Convert to fraction form
1,642,671.68/2,266,862.80 = 917,529.92/x - Step 3: Cross multiply
1,642,671.68x = 2,266,862.80 × 917,529.92 - Step 4: Simplify right side
1,642,671.68x = 2,079,914,443,534.98 - Step 5: Solve for x
x = 2,079,914,443,534.98/1,642,671.68 - Step 6: Final answer
x = 1,266,177.82
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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.