Finding the Fourth Proportional to 1,475,239.40, 2,212,556.70 and 410,013.80
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Solution
The fourth proportional to 1,475,239.40, 2,212,556.70 and 410,013.80 is: 614,936.65
Step by Step Solution
- Step 1: Write the proportion equation
1,475,239.40 : 2,212,556.70 = 410,013.80 : x - Step 2: Convert to fraction form
1,475,239.40/2,212,556.70 = 410,013.80/x - Step 3: Cross multiply
1,475,239.40x = 2,212,556.70 × 410,013.80 - Step 4: Simplify right side
1,475,239.40x = 907,178,780,282.46 - Step 5: Solve for x
x = 907,178,780,282.46/1,475,239.40 - Step 6: Final answer
x = 614,936.65
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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.