Finding the Fourth Proportional to 1,717,542.38, 2,572,389.65 and 819,614.70
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Solution
The fourth proportional to 1,717,542.38, 2,572,389.65 and 819,614.70 is: 1,227,549.55
Step by Step Solution
- Step 1: Write the proportion equation
1,717,542.38 : 2,572,389.65 = 819,614.70 : x - Step 2: Convert to fraction form
1,717,542.38/2,572,389.65 = 819,614.70/x - Step 3: Cross multiply
1,717,542.38x = 2,572,389.65 × 819,614.70 - Step 4: Simplify right side
1,717,542.38x = 2,108,368,368,706.56 - Step 5: Solve for x
x = 2,108,368,368,706.56/1,717,542.38 - Step 6: Final answer
x = 1,227,549.55
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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.