Finding the Fourth Proportional to 1,948,357.80, 2,916,631.80 and 1,416,916.80
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Solution
The fourth proportional to 1,948,357.80, 2,916,631.80 and 1,416,916.80 is: 2,121,080.94
Step by Step Solution
- Step 1: Write the proportion equation
1,948,357.80 : 2,916,631.80 = 1,416,916.80 : x - Step 2: Convert to fraction form
1,948,357.80/2,916,631.80 = 1,416,916.80/x - Step 3: Cross multiply
1,948,357.80x = 2,916,631.80 × 1,416,916.80 - Step 4: Simplify right side
1,948,357.80x = 4,132,624,596,834.24 - Step 5: Solve for x
x = 4,132,624,596,834.24/1,948,357.80 - Step 6: Final answer
x = 2,121,080.94
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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.