Finding the Fourth Proportional to 4,319,393.77, 6,479,114.87 and 1,440,752.68
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Solution
The fourth proportional to 4,319,393.77, 6,479,114.87 and 1,440,752.68 is: 2,161,137.10
Step by Step Solution
- Step 1: Write the proportion equation
4,319,393.77 : 6,479,114.87 = 1,440,752.68 : x - Step 2: Convert to fraction form
4,319,393.77/6,479,114.87 = 1,440,752.68/x - Step 3: Cross multiply
4,319,393.77x = 6,479,114.87 × 1,440,752.68 - Step 4: Simplify right side
4,319,393.77x = 9,334,802,121,693.41 - Step 5: Solve for x
x = 9,334,802,121,693.41/4,319,393.77 - Step 6: Final answer
x = 2,161,137.10
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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.