Finding the Fourth Proportional to 3,379,072.68, 4,659,384.47 and 2,153,437.79
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Solution
The fourth proportional to 3,379,072.68, 4,659,384.47 and 2,153,437.79 is: 2,969,363.35
Step by Step Solution
- Step 1: Write the proportion equation
3,379,072.68 : 4,659,384.47 = 2,153,437.79 : x - Step 2: Convert to fraction form
3,379,072.68/4,659,384.47 = 2,153,437.79/x - Step 3: Cross multiply
3,379,072.68x = 4,659,384.47 × 2,153,437.79 - Step 4: Simplify right side
3,379,072.68x = 10,033,694,561,773.01 - Step 5: Solve for x
x = 10,033,694,561,773.01/3,379,072.68 - Step 6: Final answer
x = 2,969,363.35
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1.5x scale
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.