Finding the Fourth Proportional to 1,621,871.07, 2,432,551.20 and 542,375.31
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Solution
The fourth proportional to 1,621,871.07, 2,432,551.20 and 542,375.31 is: 813,477.55
Step by Step Solution
- Step 1: Write the proportion equation
1,621,871.07 : 2,432,551.20 = 542,375.31 : x - Step 2: Convert to fraction form
1,621,871.07/2,432,551.20 = 542,375.31/x - Step 3: Cross multiply
1,621,871.07x = 2,432,551.20 × 542,375.31 - Step 4: Simplify right side
1,621,871.07x = 1,319,355,711,190.87 - Step 5: Solve for x
x = 1,319,355,711,190.87/1,621,871.07 - Step 6: Final answer
x = 813,477.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.