Finding the Fourth Proportional to 1,454,478.27, 2,178,743.09 and 1,185,564.75
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Solution
The fourth proportional to 1,454,478.27, 2,178,743.09 and 1,185,564.75 is: 1,775,922.72
Step by Step Solution
- Step 1: Write the proportion equation
1,454,478.27 : 2,178,743.09 = 1,185,564.75 : x - Step 2: Convert to fraction form
1,454,478.27/2,178,743.09 = 1,185,564.75/x - Step 3: Cross multiply
1,454,478.27x = 2,178,743.09 × 1,185,564.75 - Step 4: Simplify right side
1,454,478.27x = 2,583,041,000,882.25 - Step 5: Solve for x
x = 2,583,041,000,882.25/1,454,478.27 - Step 6: Final answer
x = 1,775,922.72
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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.