Finding the Fourth Proportional to 5,157,080.96, 7,734,907.20 and 1,370,871.68
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Solution
The fourth proportional to 5,157,080.96, 7,734,907.20 and 1,370,871.68 is: 2,056,117.66
Step by Step Solution
- Step 1: Write the proportion equation
5,157,080.96 : 7,734,907.20 = 1,370,871.68 : x - Step 2: Convert to fraction form
5,157,080.96/7,734,907.20 = 1,370,871.68/x - Step 3: Cross multiply
5,157,080.96x = 7,734,907.20 × 1,370,871.68 - Step 4: Simplify right side
5,157,080.96x = 10,603,565,227,908.10 - Step 5: Solve for x
x = 10,603,565,227,908.10/5,157,080.96 - Step 6: Final answer
x = 2,056,117.66
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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.