Finding the Fourth Proportional to 1,869,386.24, 2,804,079.35 and 449,442.31
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Solution
The fourth proportional to 1,869,386.24, 2,804,079.35 and 449,442.31 is: 674,163.46
Step by Step Solution
- Step 1: Write the proportion equation
1,869,386.24 : 2,804,079.35 = 449,442.31 : x - Step 2: Convert to fraction form
1,869,386.24/2,804,079.35 = 449,442.31/x - Step 3: Cross multiply
1,869,386.24x = 2,804,079.35 × 449,442.31 - Step 4: Simplify right side
1,869,386.24x = 1,260,271,900,487.30 - Step 5: Solve for x
x = 1,260,271,900,487.30/1,869,386.24 - Step 6: Final answer
x = 674,163.46
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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.