Finding the Fourth Proportional to 2,021,130.70, 3,031,696.05 and 1,941,414.55
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Solution
The fourth proportional to 2,021,130.70, 3,031,696.05 and 1,941,414.55 is: 2,912,121.83
Step by Step Solution
- Step 1: Write the proportion equation
2,021,130.70 : 3,031,696.05 = 1,941,414.55 : x - Step 2: Convert to fraction form
2,021,130.70/3,031,696.05 = 1,941,414.55/x - Step 3: Cross multiply
2,021,130.70x = 3,031,696.05 × 1,941,414.55 - Step 4: Simplify right side
2,021,130.70x = 5,885,778,822,647.53 - Step 5: Solve for x
x = 5,885,778,822,647.53/2,021,130.70 - Step 6: Final answer
x = 2,912,121.83
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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.