Finding the Fourth Proportional to 1,419,004.19, 2,127,240.79 and 520,236.47
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Solution
The fourth proportional to 1,419,004.19, 2,127,240.79 and 520,236.47 is: 779,890.75
Step by Step Solution
- Step 1: Write the proportion equation
1,419,004.19 : 2,127,240.79 = 520,236.47 : x - Step 2: Convert to fraction form
1,419,004.19/2,127,240.79 = 520,236.47/x - Step 3: Cross multiply
1,419,004.19x = 2,127,240.79 × 520,236.47 - Step 4: Simplify right side
1,419,004.19x = 1,106,668,239,429.61 - Step 5: Solve for x
x = 1,106,668,239,429.61/1,419,004.19 - Step 6: Final answer
x = 779,890.75
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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.