Finding the Fourth Proportional to 1,372,051.20, 2,060,409.60 and 1,017,465.60
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Solution
The fourth proportional to 1,372,051.20, 2,060,409.60 and 1,017,465.60 is: 1,527,928.32
Step by Step Solution
- Step 1: Write the proportion equation
1,372,051.20 : 2,060,409.60 = 1,017,465.60 : x - Step 2: Convert to fraction form
1,372,051.20/2,060,409.60 = 1,017,465.60/x - Step 3: Cross multiply
1,372,051.20x = 2,060,409.60 × 1,017,465.60 - Step 4: Simplify right side
1,372,051.20x = 2,096,395,889,909.76 - Step 5: Solve for x
x = 2,096,395,889,909.76/1,372,051.20 - Step 6: Final answer
x = 1,527,928.32
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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.