Finding the Fourth Proportional to 1,102,474.72, 1,521,395.76 and 619,043.68
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Solution
The fourth proportional to 1,102,474.72, 1,521,395.76 and 619,043.68 is: 854,269.41
Step by Step Solution
- Step 1: Write the proportion equation
1,102,474.72 : 1,521,395.76 = 619,043.68 : x - Step 2: Convert to fraction form
1,102,474.72/1,521,395.76 = 619,043.68/x - Step 3: Cross multiply
1,102,474.72x = 1,521,395.76 × 619,043.68 - Step 4: Simplify right side
1,102,474.72x = 941,810,430,006.80 - Step 5: Solve for x
x = 941,810,430,006.80/1,102,474.72 - Step 6: Final answer
x = 854,269.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.