Finding the Fourth Proportional to 2,213,438.08, 3,317,791.92 and 1,580,432.80
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Solution
The fourth proportional to 2,213,438.08, 3,317,791.92 and 1,580,432.80 is: 2,368,960.41
Step by Step Solution
- Step 1: Write the proportion equation
2,213,438.08 : 3,317,791.92 = 1,580,432.80 : x - Step 2: Convert to fraction form
2,213,438.08/3,317,791.92 = 1,580,432.80/x - Step 3: Cross multiply
2,213,438.08x = 3,317,791.92 × 1,580,432.80 - Step 4: Simplify right side
2,213,438.08x = 5,243,547,173,942.98 - Step 5: Solve for x
x = 5,243,547,173,942.98/2,213,438.08 - Step 6: Final answer
x = 2,368,960.41
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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.