Finding the Fourth Proportional to 5,376,225.80, 8,064,338.70 and 1,387,137.80
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Solution
The fourth proportional to 5,376,225.80, 8,064,338.70 and 1,387,137.80 is: 2,080,706.70
Step by Step Solution
- Step 1: Write the proportion equation
5,376,225.80 : 8,064,338.70 = 1,387,137.80 : x - Step 2: Convert to fraction form
5,376,225.80/8,064,338.70 = 1,387,137.80/x - Step 3: Cross multiply
5,376,225.80x = 8,064,338.70 × 1,387,137.80 - Step 4: Simplify right side
5,376,225.80x = 11,186,349,042,772.86 - Step 5: Solve for x
x = 11,186,349,042,772.86/5,376,225.80 - Step 6: Final answer
x = 2,080,706.70
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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.