Finding the Fourth Proportional to 3,636,985.76, 5,457,051.84 and 1,952,120.96
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Solution
The fourth proportional to 3,636,985.76, 5,457,051.84 and 1,952,120.96 is: 2,929,025.84
Step by Step Solution
- Step 1: Write the proportion equation
3,636,985.76 : 5,457,051.84 = 1,952,120.96 : x - Step 2: Convert to fraction form
3,636,985.76/5,457,051.84 = 1,952,120.96/x - Step 3: Cross multiply
3,636,985.76x = 5,457,051.84 × 1,952,120.96 - Step 4: Simplify right side
3,636,985.76x = 10,652,825,276,670.57 - Step 5: Solve for x
x = 10,652,825,276,670.57/3,636,985.76 - Step 6: Final answer
x = 2,929,025.84
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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.