Finding the Fourth Proportional to 5,386,693.29, 7,433,815.91 and 2,939,438.57
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Solution
The fourth proportional to 5,386,693.29, 7,433,815.91 and 2,939,438.57 is: 4,056,522.99
Step by Step Solution
- Step 1: Write the proportion equation
5,386,693.29 : 7,433,815.91 = 2,939,438.57 : x - Step 2: Convert to fraction form
5,386,693.29/7,433,815.91 = 2,939,438.57/x - Step 3: Cross multiply
5,386,693.29x = 7,433,815.91 × 2,939,438.57 - Step 4: Simplify right side
5,386,693.29x = 21,851,245,156,267.38 - Step 5: Solve for x
x = 21,851,245,156,267.38/5,386,693.29 - Step 6: Final answer
x = 4,056,522.99
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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.