Finding the Fourth Proportional to 4,672,601.80, 6,994,905.90 and 2,778,368.20
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Solution
The fourth proportional to 4,672,601.80, 6,994,905.90 and 2,778,368.20 is: 4,159,229.69
Step by Step Solution
- Step 1: Write the proportion equation
4,672,601.80 : 6,994,905.90 = 2,778,368.20 : x - Step 2: Convert to fraction form
4,672,601.80/6,994,905.90 = 2,778,368.20/x - Step 3: Cross multiply
4,672,601.80x = 6,994,905.90 × 2,778,368.20 - Step 4: Simplify right side
4,672,601.80x = 19,434,424,114,552.38 - Step 5: Solve for x
x = 19,434,424,114,552.38/4,672,601.80 - Step 6: Final answer
x = 4,159,229.69
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1.5x scale
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.