Finding the Fourth Proportional to 4,187,363.64, 5,778,102.78 and 2,351,450.04
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Solution
The fourth proportional to 4,187,363.64, 5,778,102.78 and 2,351,450.04 is: 3,244,743.28
Step by Step Solution
- Step 1: Write the proportion equation
4,187,363.64 : 5,778,102.78 = 2,351,450.04 : x - Step 2: Convert to fraction form
4,187,363.64/5,778,102.78 = 2,351,450.04/x - Step 3: Cross multiply
4,187,363.64x = 5,778,102.78 × 2,351,450.04 - Step 4: Simplify right side
4,187,363.64x = 13,586,920,013,155.11 - Step 5: Solve for x
x = 13,586,920,013,155.11/4,187,363.64 - Step 6: Final answer
x = 3,244,743.28
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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.