Finding the Fourth Proportional to 6,611,878.48, 9,913,964.22 and 2,563,636.96
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Solution
The fourth proportional to 6,611,878.48, 9,913,964.22 and 2,563,636.96 is: 3,843,961.31
Step by Step Solution
- Step 1: Write the proportion equation
6,611,878.48 : 9,913,964.22 = 2,563,636.96 : x - Step 2: Convert to fraction form
6,611,878.48/9,913,964.22 = 2,563,636.96/x - Step 3: Cross multiply
6,611,878.48x = 9,913,964.22 × 2,563,636.96 - Step 4: Simplify right side
6,611,878.48x = 25,415,805,094,509.57 - Step 5: Solve for x
x = 25,415,805,094,509.57/6,611,878.48 - Step 6: Final answer
x = 3,843,961.31
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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.