Finding the Fourth Proportional to 4,772,311.80, 7,159,588.72 and 1,577,438.08
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Solution
The fourth proportional to 4,772,311.80, 7,159,588.72 and 1,577,438.08 is: 2,366,527.66
Step by Step Solution
- Step 1: Write the proportion equation
4,772,311.80 : 7,159,588.72 = 1,577,438.08 : x - Step 2: Convert to fraction form
4,772,311.80/7,159,588.72 = 1,577,438.08/x - Step 3: Cross multiply
4,772,311.80x = 7,159,588.72 × 1,577,438.08 - Step 4: Simplify right side
4,772,311.80x = 11,293,807,884,066.46 - Step 5: Solve for x
x = 11,293,807,884,066.46/4,772,311.80 - Step 6: Final answer
x = 2,366,527.66
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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.