Finding the Fourth Proportional to 1,813,694.12, 2,718,478.70 and 947,793.99
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Solution
The fourth proportional to 1,813,694.12, 2,718,478.70 and 947,793.99 is: 1,420,613.18
Step by Step Solution
- Step 1: Write the proportion equation
1,813,694.12 : 2,718,478.70 = 947,793.99 : x - Step 2: Convert to fraction form
1,813,694.12/2,718,478.70 = 947,793.99/x - Step 3: Cross multiply
1,813,694.12x = 2,718,478.70 × 947,793.99 - Step 4: Simplify right side
1,813,694.12x = 2,576,557,769,064.04 - Step 5: Solve for x
x = 2,576,557,769,064.04/1,813,694.12 - Step 6: Final answer
x = 1,420,613.18
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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.