Finding the Fourth Proportional to 2,576,572.20, 3,856,985.10 and 2,009,701.80
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Solution
The fourth proportional to 2,576,572.20, 3,856,985.10 and 2,009,701.80 is: 3,008,411.68
Step by Step Solution
- Step 1: Write the proportion equation
2,576,572.20 : 3,856,985.10 = 2,009,701.80 : x - Step 2: Convert to fraction form
2,576,572.20/3,856,985.10 = 2,009,701.80/x - Step 3: Cross multiply
2,576,572.20x = 3,856,985.10 × 2,009,701.80 - Step 4: Simplify right side
2,576,572.20x = 7,751,389,898,043.18 - Step 5: Solve for x
x = 7,751,389,898,043.18/2,576,572.20 - Step 6: Final answer
x = 3,008,411.68
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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.