Finding the Fourth Proportional to 2,020,382.20, 3,031,739.70 and 758,337.40
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Solution
The fourth proportional to 2,020,382.20, 3,031,739.70 and 758,337.40 is: 1,137,943.90
Step by Step Solution
- Step 1: Write the proportion equation
2,020,382.20 : 3,031,739.70 = 758,337.40 : x - Step 2: Convert to fraction form
2,020,382.20/3,031,739.70 = 758,337.40/x - Step 3: Cross multiply
2,020,382.20x = 3,031,739.70 × 758,337.40 - Step 4: Simplify right side
2,020,382.20x = 2,299,081,601,574.78 - Step 5: Solve for x
x = 2,299,081,601,574.78/2,020,382.20 - Step 6: Final answer
x = 1,137,943.90
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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.