Finding the Fourth Proportional to 1,869,386.74, 2,804,080.11 and 449,442.82
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Solution
The fourth proportional to 1,869,386.74, 2,804,080.11 and 449,442.82 is: 674,164.23
Step by Step Solution
- Step 1: Write the proportion equation
1,869,386.74 : 2,804,080.11 = 449,442.82 : x - Step 2: Convert to fraction form
1,869,386.74/2,804,080.11 = 449,442.82/x - Step 3: Cross multiply
1,869,386.74x = 2,804,080.11 × 449,442.82 - Step 4: Simplify right side
1,869,386.74x = 1,260,273,672,144.31 - Step 5: Solve for x
x = 1,260,273,672,144.31/1,869,386.74 - Step 6: Final answer
x = 674,164.23
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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.