Finding the Fourth Proportional to 5,216,713.54, 7,825,074.63 and 4,201,072.90
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Solution
The fourth proportional to 5,216,713.54, 7,825,074.63 and 4,201,072.90 is: 6,301,612.83
Step by Step Solution
- Step 1: Write the proportion equation
5,216,713.54 : 7,825,074.63 = 4,201,072.90 : x - Step 2: Convert to fraction form
5,216,713.54/7,825,074.63 = 4,201,072.90/x - Step 3: Cross multiply
5,216,713.54x = 7,825,074.63 × 4,201,072.90 - Step 4: Simplify right side
5,216,713.54x = 32,873,708,968,570.53 - Step 5: Solve for x
x = 32,873,708,968,570.53/5,216,713.54 - Step 6: Final answer
x = 6,301,612.83
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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.