Finding the Fourth Proportional to 4,151,999.70, 6,228,983.70 and 2,130,555.60
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Solution
The fourth proportional to 4,151,999.70, 6,228,983.70 and 2,130,555.60 is: 3,196,338.41
Step by Step Solution
- Step 1: Write the proportion equation
4,151,999.70 : 6,228,983.70 = 2,130,555.60 : x - Step 2: Convert to fraction form
4,151,999.70/6,228,983.70 = 2,130,555.60/x - Step 3: Cross multiply
4,151,999.70x = 6,228,983.70 × 2,130,555.60 - Step 4: Simplify right side
4,151,999.70x = 13,271,196,104,343.72 - Step 5: Solve for x
x = 13,271,196,104,343.72/4,151,999.70 - Step 6: Final answer
x = 3,196,338.41
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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.