Finding the Fourth Proportional to 4,165,846.60, 6,248,769.90 and 1,326,245.80
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Solution
The fourth proportional to 4,165,846.60, 6,248,769.90 and 1,326,245.80 is: 1,989,368.70
Step by Step Solution
- Step 1: Write the proportion equation
4,165,846.60 : 6,248,769.90 = 1,326,245.80 : x - Step 2: Convert to fraction form
4,165,846.60/6,248,769.90 = 1,326,245.80/x - Step 3: Cross multiply
4,165,846.60x = 6,248,769.90 × 1,326,245.80 - Step 4: Simplify right side
4,165,846.60x = 8,287,404,835,041.42 - Step 5: Solve for x
x = 8,287,404,835,041.42/4,165,846.60 - Step 6: Final answer
x = 1,989,368.70
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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.