Finding the Fourth Proportional to 8,590,888.20, 12,886,040.70 and 2,201,203.20
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Solution
The fourth proportional to 8,590,888.20, 12,886,040.70 and 2,201,203.20 is: 3,301,730.08
Step by Step Solution
- Step 1: Write the proportion equation
8,590,888.20 : 12,886,040.70 = 2,201,203.20 : x - Step 2: Convert to fraction form
8,590,888.20/12,886,040.70 = 2,201,203.20/x - Step 3: Cross multiply
8,590,888.20x = 12,886,040.70 × 2,201,203.20 - Step 4: Simplify right side
8,590,888.20x = 28,364,794,024,170.24 - Step 5: Solve for x
x = 28,364,794,024,170.24/8,590,888.20 - Step 6: Final answer
x = 3,301,730.08
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1.5x scale
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.