Finding the Fourth Proportional to 5,867,386, 8,097,021.84 and 3,421,693.06
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Solution
The fourth proportional to 5,867,386, 8,097,021.84 and 3,421,693.06 is: 4,721,953.43
Step by Step Solution
- Step 1: Write the proportion equation
5,867,386 : 8,097,021.84 = 3,421,693.06 : x - Step 2: Convert to fraction form
5,867,386/8,097,021.84 = 3,421,693.06/x - Step 3: Cross multiply
5,867,386x = 8,097,021.84 × 3,421,693.06 - Step 4: Simplify right side
5,867,386x = 27,705,523,436,596.43 - Step 5: Solve for x
x = 27,705,523,436,596.43/5,867,386 - Step 6: Final answer
x = 4,721,953.43
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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.