Finding the Fourth Proportional to 1,679,338.79, 2,519,007.67 and 542,268.28
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Solution
The fourth proportional to 1,679,338.79, 2,519,007.67 and 542,268.28 is: 813,402.26
Step by Step Solution
- Step 1: Write the proportion equation
1,679,338.79 : 2,519,007.67 = 542,268.28 : x - Step 2: Convert to fraction form
1,679,338.79/2,519,007.67 = 542,268.28/x - Step 3: Cross multiply
1,679,338.79x = 2,519,007.67 × 542,268.28 - Step 4: Simplify right side
1,679,338.79x = 1,365,977,964,649.25 - Step 5: Solve for x
x = 1,365,977,964,649.25/1,679,338.79 - Step 6: Final answer
x = 813,402.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.