Finding the Fourth Proportional to 1,621,770.87, 2,237,672.60 and 968,269.93
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Solution
The fourth proportional to 1,621,770.87, 2,237,672.60 and 968,269.93 is: 1,335,990.88
Step by Step Solution
- Step 1: Write the proportion equation
1,621,770.87 : 2,237,672.60 = 968,269.93 : x - Step 2: Convert to fraction form
1,621,770.87/2,237,672.60 = 968,269.93/x - Step 3: Cross multiply
1,621,770.87x = 2,237,672.60 × 968,269.93 - Step 4: Simplify right side
1,621,770.87x = 2,166,671,086,923.57 - Step 5: Solve for x
x = 2,166,671,086,923.57/1,621,770.87 - Step 6: Final answer
x = 1,335,990.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.