Finding the Fourth Proportional to 1,377,916.16, 2,067,242.88 and 1,246,311.68
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Solution
The fourth proportional to 1,377,916.16, 2,067,242.88 and 1,246,311.68 is: 1,869,800.95
Step by Step Solution
- Step 1: Write the proportion equation
1,377,916.16 : 2,067,242.88 = 1,246,311.68 : x - Step 2: Convert to fraction form
1,377,916.16/2,067,242.88 = 1,246,311.68/x - Step 3: Cross multiply
1,377,916.16x = 2,067,242.88 × 1,246,311.68 - Step 4: Simplify right side
1,377,916.16x = 2,576,428,946,740.84 - Step 5: Solve for x
x = 2,576,428,946,740.84/1,377,916.16 - Step 6: Final answer
x = 1,869,800.95
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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.