Finding the Fourth Proportional to 4,420,987.69, 6,631,481.17 and 1,226,113.82
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Solution
The fourth proportional to 4,420,987.69, 6,631,481.17 and 1,226,113.82 is: 1,839,170.63
Step by Step Solution
- Step 1: Write the proportion equation
4,420,987.69 : 6,631,481.17 = 1,226,113.82 : x - Step 2: Convert to fraction form
4,420,987.69/6,631,481.17 = 1,226,113.82/x - Step 3: Cross multiply
4,420,987.69x = 6,631,481.17 × 1,226,113.82 - Step 4: Simplify right side
4,420,987.69x = 8,130,950,727,718.11 - Step 5: Solve for x
x = 8,130,950,727,718.11/4,420,987.69 - Step 6: Final answer
x = 1,839,170.63
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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.