Finding the Fourth Proportional to 5,143,178.08, 7,714,751.74 and 1,304,993.08
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Solution
The fourth proportional to 5,143,178.08, 7,714,751.74 and 1,304,993.08 is: 1,957,485.72
Step by Step Solution
- Step 1: Write the proportion equation
5,143,178.08 : 7,714,751.74 = 1,304,993.08 : x - Step 2: Convert to fraction form
5,143,178.08/7,714,751.74 = 1,304,993.08/x - Step 3: Cross multiply
5,143,178.08x = 7,714,751.74 × 1,304,993.08 - Step 4: Simplify right side
5,143,178.08x = 10,067,697,634,617.96 - Step 5: Solve for x
x = 10,067,697,634,617.96/5,143,178.08 - Step 6: Final answer
x = 1,957,485.72
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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.