Finding the Fourth Proportional to 4,218,000.75, 6,328,080.06 and 1,226,184.75
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Solution
The fourth proportional to 4,218,000.75, 6,328,080.06 and 1,226,184.75 is: 1,839,590.77
Step by Step Solution
- Step 1: Write the proportion equation
4,218,000.75 : 6,328,080.06 = 1,226,184.75 : x - Step 2: Convert to fraction form
4,218,000.75/6,328,080.06 = 1,226,184.75/x - Step 3: Cross multiply
4,218,000.75x = 6,328,080.06 × 1,226,184.75 - Step 4: Simplify right side
4,218,000.75x = 7,759,395,266,351.09 - Step 5: Solve for x
x = 7,759,395,266,351.09/4,218,000.75 - Step 6: Final answer
x = 1,839,590.77
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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.