Finding the Fourth Proportional to 1,603,904.24, 2,213,387.76 and 878,779.44
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Solution
The fourth proportional to 1,603,904.24, 2,213,387.76 and 878,779.44 is: 1,212,715.58
Step by Step Solution
- Step 1: Write the proportion equation
1,603,904.24 : 2,213,387.76 = 878,779.44 : x - Step 2: Convert to fraction form
1,603,904.24/2,213,387.76 = 878,779.44/x - Step 3: Cross multiply
1,603,904.24x = 2,213,387.76 × 878,779.44 - Step 4: Simplify right side
1,603,904.24x = 1,945,079,656,235.65 - Step 5: Solve for x
x = 1,945,079,656,235.65/1,603,904.24 - Step 6: Final answer
x = 1,212,715.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.