Finding the Fourth Proportional to 2,579,815.84, 3,869,762.80 and 982,467.36
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Solution
The fourth proportional to 2,579,815.84, 3,869,762.80 and 982,467.36 is: 1,473,715.91
Step by Step Solution
- Step 1: Write the proportion equation
2,579,815.84 : 3,869,762.80 = 982,467.36 : x - Step 2: Convert to fraction form
2,579,815.84/3,869,762.80 = 982,467.36/x - Step 3: Cross multiply
2,579,815.84x = 3,869,762.80 × 982,467.36 - Step 4: Simplify right side
2,579,815.84x = 3,801,915,641,942.21 - Step 5: Solve for x
x = 3,801,915,641,942.21/2,579,815.84 - Step 6: Final answer
x = 1,473,715.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.