Finding the Fourth Proportional to 1,747,575.80, 2,621,363.70 and 1,579,614.20
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Solution
The fourth proportional to 1,747,575.80, 2,621,363.70 and 1,579,614.20 is: 2,369,421.30
Step by Step Solution
- Step 1: Write the proportion equation
1,747,575.80 : 2,621,363.70 = 1,579,614.20 : x - Step 2: Convert to fraction form
1,747,575.80/2,621,363.70 = 1,579,614.20/x - Step 3: Cross multiply
1,747,575.80x = 2,621,363.70 × 1,579,614.20 - Step 4: Simplify right side
1,747,575.80x = 4,140,743,323,884.54 - Step 5: Solve for x
x = 4,140,743,323,884.54/1,747,575.80 - Step 6: Final answer
x = 2,369,421.30
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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.