Finding the Fourth Proportional to 1,721,062.20, 2,576,927.70 and 1,347,814.20
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Solution
The fourth proportional to 1,721,062.20, 2,576,927.70 and 1,347,814.20 is: 2,018,067.53
Step by Step Solution
- Step 1: Write the proportion equation
1,721,062.20 : 2,576,927.70 = 1,347,814.20 : x - Step 2: Convert to fraction form
1,721,062.20/2,576,927.70 = 1,347,814.20/x - Step 3: Cross multiply
1,721,062.20x = 2,576,927.70 × 1,347,814.20 - Step 4: Simplify right side
1,721,062.20x = 3,473,219,746,433.34 - Step 5: Solve for x
x = 3,473,219,746,433.34/1,721,062.20 - Step 6: Final answer
x = 2,018,067.53
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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.