Finding the Fourth Proportional to 4,146,605.38, 6,220,006.49 and 1,113,975.10
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Solution
The fourth proportional to 4,146,605.38, 6,220,006.49 and 1,113,975.10 is: 1,670,989.09
Step by Step Solution
- Step 1: Write the proportion equation
4,146,605.38 : 6,220,006.49 = 1,113,975.10 : x - Step 2: Convert to fraction form
4,146,605.38/6,220,006.49 = 1,113,975.10/x - Step 3: Cross multiply
4,146,605.38x = 6,220,006.49 × 1,113,975.10 - Step 4: Simplify right side
4,146,605.38x = 6,928,932,351,698.40 - Step 5: Solve for x
x = 6,928,932,351,698.40/4,146,605.38 - Step 6: Final answer
x = 1,670,989.09
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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.