Finding the Fourth Proportional to 1,869,819.31, 2,804,728.97 and 449,875.41
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Solution
The fourth proportional to 1,869,819.31, 2,804,728.97 and 449,875.41 is: 674,813.12
Step by Step Solution
- Step 1: Write the proportion equation
1,869,819.31 : 2,804,728.97 = 449,875.41 : x - Step 2: Convert to fraction form
1,869,819.31/2,804,728.97 = 449,875.41/x - Step 3: Cross multiply
1,869,819.31x = 2,804,728.97 × 449,875.41 - Step 4: Simplify right side
1,869,819.31x = 1,261,778,595,317.63 - Step 5: Solve for x
x = 1,261,778,595,317.63/1,869,819.31 - Step 6: Final answer
x = 674,813.12
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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.