Finding the Fourth Proportional to 5,230,886.07, 7,846,354.15 and 1,587,647.60
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Solution
The fourth proportional to 5,230,886.07, 7,846,354.15 and 1,587,647.60 is: 2,381,478.99
Step by Step Solution
- Step 1: Write the proportion equation
5,230,886.07 : 7,846,354.15 = 1,587,647.60 : x - Step 2: Convert to fraction form
5,230,886.07/7,846,354.15 = 1,587,647.60/x - Step 3: Cross multiply
5,230,886.07x = 7,846,354.15 × 1,587,647.60 - Step 4: Simplify right side
5,230,886.07x = 12,457,245,291,796.65 - Step 5: Solve for x
x = 12,457,245,291,796.65/5,230,886.07 - Step 6: Final answer
x = 2,381,478.99
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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.