Finding the Fourth Proportional to 1,642,673.68, 2,266,865.56 and 917,531.92
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Solution
The fourth proportional to 1,642,673.68, 2,266,865.56 and 917,531.92 is: 1,266,180.58
Step by Step Solution
- Step 1: Write the proportion equation
1,642,673.68 : 2,266,865.56 = 917,531.92 : x - Step 2: Convert to fraction form
1,642,673.68/2,266,865.56 = 917,531.92/x - Step 3: Cross multiply
1,642,673.68x = 2,266,865.56 × 917,531.92 - Step 4: Simplify right side
1,642,673.68x = 2,079,921,509,648.68 - Step 5: Solve for x
x = 2,079,921,509,648.68/1,642,673.68 - Step 6: Final answer
x = 1,266,180.58
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.