Finding the Fourth Proportional to 1,621,411.23, 2,432,217.14 and 542,020.91
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Solution
The fourth proportional to 1,621,411.23, 2,432,217.14 and 542,020.91 is: 813,064.88
Step by Step Solution
- Step 1: Write the proportion equation
1,621,411.23 : 2,432,217.14 = 542,020.91 : x - Step 2: Convert to fraction form
1,621,411.23/2,432,217.14 = 542,020.91/x - Step 3: Cross multiply
1,621,411.23x = 2,432,217.14 × 542,020.91 - Step 4: Simplify right side
1,621,411.23x = 1,318,312,532,669.21 - Step 5: Solve for x
x = 1,318,312,532,669.21/1,621,411.23 - Step 6: Final answer
x = 813,064.88
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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.