Finding the Fourth Proportional to 3,958,118.72, 5,462,718.99 and 2,216,451.35
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Solution
The fourth proportional to 3,958,118.72, 5,462,718.99 and 2,216,451.35 is: 3,058,991.34
Step by Step Solution
- Step 1: Write the proportion equation
3,958,118.72 : 5,462,718.99 = 2,216,451.35 : x - Step 2: Convert to fraction form
3,958,118.72/5,462,718.99 = 2,216,451.35/x - Step 3: Cross multiply
3,958,118.72x = 5,462,718.99 × 2,216,451.35 - Step 4: Simplify right side
3,958,118.72x = 12,107,850,880,056.14 - Step 5: Solve for x
x = 12,107,850,880,056.14/3,958,118.72 - Step 6: Final answer
x = 3,058,991.34
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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.