Finding the Fourth Proportional to 4,572,881.66, 6,310,121.90 and 2,639,765.03
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Solution
The fourth proportional to 4,572,881.66, 6,310,121.90 and 2,639,765.03 is: 3,642,613.19
Step by Step Solution
- Step 1: Write the proportion equation
4,572,881.66 : 6,310,121.90 = 2,639,765.03 : x - Step 2: Convert to fraction form
4,572,881.66/6,310,121.90 = 2,639,765.03/x - Step 3: Cross multiply
4,572,881.66x = 6,310,121.90 × 2,639,765.03 - Step 4: Simplify right side
4,572,881.66x = 16,657,239,081,907.72 - Step 5: Solve for x
x = 16,657,239,081,907.72/4,572,881.66 - Step 6: Final answer
x = 3,642,613.19
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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.