Finding the Fourth Proportional to 6,837,174.47, 9,438,205.98 and 4,260,128.49
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Solution
The fourth proportional to 6,837,174.47, 9,438,205.98 and 4,260,128.49 is: 5,880,787.51
Step by Step Solution
- Step 1: Write the proportion equation
6,837,174.47 : 9,438,205.98 = 4,260,128.49 : x - Step 2: Convert to fraction form
6,837,174.47/9,438,205.98 = 4,260,128.49/x - Step 3: Cross multiply
6,837,174.47x = 9,438,205.98 × 4,260,128.49 - Step 4: Simplify right side
6,837,174.47x = 40,207,970,189,886.38 - Step 5: Solve for x
x = 40,207,970,189,886.38/6,837,174.47 - Step 6: Final answer
x = 5,880,787.51
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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.