Finding the Fourth Proportional to 5,138,245.53, 7,090,805.88 and 2,903,033.07
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Solution
The fourth proportional to 5,138,245.53, 7,090,805.88 and 2,903,033.07 is: 4,006,200.92
Step by Step Solution
- Step 1: Write the proportion equation
5,138,245.53 : 7,090,805.88 = 2,903,033.07 : x - Step 2: Convert to fraction form
5,138,245.53/7,090,805.88 = 2,903,033.07/x - Step 3: Cross multiply
5,138,245.53x = 7,090,805.88 × 2,903,033.07 - Step 4: Simplify right side
5,138,245.53x = 20,584,843,962,590.45 - Step 5: Solve for x
x = 20,584,843,962,590.45/5,138,245.53 - Step 6: Final answer
x = 4,006,200.92
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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.