Finding the Fourth Proportional to 4,043,129.20, 6,064,693.80 and 1,645,739.80
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Solution
The fourth proportional to 4,043,129.20, 6,064,693.80 and 1,645,739.80 is: 2,468,609.70
Step by Step Solution
- Step 1: Write the proportion equation
4,043,129.20 : 6,064,693.80 = 1,645,739.80 : x - Step 2: Convert to fraction form
4,043,129.20/6,064,693.80 = 1,645,739.80/x - Step 3: Cross multiply
4,043,129.20x = 6,064,693.80 × 1,645,739.80 - Step 4: Simplify right side
4,043,129.20x = 9,980,907,961,473.24 - Step 5: Solve for x
x = 9,980,907,961,473.24/4,043,129.20 - Step 6: Final answer
x = 2,468,609.70
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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.