Finding the Fourth Proportional to 3,070,982.08, 4,239,314.16 and 1,983,783.67
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Solution
The fourth proportional to 3,070,982.08, 4,239,314.16 and 1,983,783.67 is: 2,738,499.28
Step by Step Solution
- Step 1: Write the proportion equation
3,070,982.08 : 4,239,314.16 = 1,983,783.67 : x - Step 2: Convert to fraction form
3,070,982.08/4,239,314.16 = 1,983,783.67/x - Step 3: Cross multiply
3,070,982.08x = 4,239,314.16 × 1,983,783.67 - Step 4: Simplify right side
3,070,982.08x = 8,409,882,202,607.77 - Step 5: Solve for x
x = 8,409,882,202,607.77/3,070,982.08 - Step 6: Final answer
x = 2,738,499.28
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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.