Finding the Fourth Proportional to 7,239,399.64, 9,990,566.62 and 4,259,311.06
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Solution
The fourth proportional to 7,239,399.64, 9,990,566.62 and 4,259,311.06 is: 5,877,964.06
Step by Step Solution
- Step 1: Write the proportion equation
7,239,399.64 : 9,990,566.62 = 4,259,311.06 : x - Step 2: Convert to fraction form
7,239,399.64/9,990,566.62 = 4,259,311.06/x - Step 3: Cross multiply
7,239,399.64x = 9,990,566.62 × 4,259,311.06 - Step 4: Simplify right side
7,239,399.64x = 42,552,930,900,232.81 - Step 5: Solve for x
x = 42,552,930,900,232.81/7,239,399.64 - Step 6: Final answer
x = 5,877,964.06
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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.