Finding the Fourth Proportional to 1,764,009.40, 2,646,359.70 and 753,129.40
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Solution
The fourth proportional to 1,764,009.40, 2,646,359.70 and 753,129.40 is: 1,129,841.65
Step by Step Solution
- Step 1: Write the proportion equation
1,764,009.40 : 2,646,359.70 = 753,129.40 : x - Step 2: Convert to fraction form
1,764,009.40/2,646,359.70 = 753,129.40/x - Step 3: Cross multiply
1,764,009.40x = 2,646,359.70 × 753,129.40 - Step 4: Simplify right side
1,764,009.40x = 1,993,051,293,045.18 - Step 5: Solve for x
x = 1,993,051,293,045.18/1,764,009.40 - Step 6: Final answer
x = 1,129,841.65
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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.