Finding the Fourth Proportional to 1,643,942.28, 2,466,112.68 and 578,766.36
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Solution
The fourth proportional to 1,643,942.28, 2,466,112.68 and 578,766.36 is: 868,219.69
Step by Step Solution
- Step 1: Write the proportion equation
1,643,942.28 : 2,466,112.68 = 578,766.36 : x - Step 2: Convert to fraction form
1,643,942.28/2,466,112.68 = 578,766.36/x - Step 3: Cross multiply
1,643,942.28x = 2,466,112.68 × 578,766.36 - Step 4: Simplify right side
1,643,942.28x = 1,427,303,059,153.44 - Step 5: Solve for x
x = 1,427,303,059,153.44/1,643,942.28 - Step 6: Final answer
x = 868,219.69
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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.