Finding the Fourth Proportional to 1,468,237.20, 2,201,837.40 and 521,638.80
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Solution
The fourth proportional to 1,468,237.20, 2,201,837.40 and 521,638.80 is: 782,274.02
Step by Step Solution
- Step 1: Write the proportion equation
1,468,237.20 : 2,201,837.40 = 521,638.80 : x - Step 2: Convert to fraction form
1,468,237.20/2,201,837.40 = 521,638.80/x - Step 3: Cross multiply
1,468,237.20x = 2,201,837.40 × 521,638.80 - Step 4: Simplify right side
1,468,237.20x = 1,148,563,819,131.12 - Step 5: Solve for x
x = 1,148,563,819,131.12/1,468,237.20 - Step 6: Final answer
x = 782,274.02
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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.