Finding the Fourth Proportional to 1,717,549.14, 2,572,399.76 and 819,621.45
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Solution
The fourth proportional to 1,717,549.14, 2,572,399.76 and 819,621.45 is: 1,227,559.65
Step by Step Solution
- Step 1: Write the proportion equation
1,717,549.14 : 2,572,399.76 = 819,621.45 : x - Step 2: Convert to fraction form
1,717,549.14/2,572,399.76 = 819,621.45/x - Step 3: Cross multiply
1,717,549.14x = 2,572,399.76 × 819,621.45 - Step 4: Simplify right side
1,717,549.14x = 2,108,394,017,172.74 - Step 5: Solve for x
x = 2,108,394,017,172.74/1,717,549.14 - Step 6: Final answer
x = 1,227,559.65
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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.