Finding the Fourth Proportional to 3,920,454.18, 5,880,664.86 and 1,525,968.66
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Solution
The fourth proportional to 3,920,454.18, 5,880,664.86 and 1,525,968.66 is: 2,288,946.60
Step by Step Solution
- Step 1: Write the proportion equation
3,920,454.18 : 5,880,664.86 = 1,525,968.66 : x - Step 2: Convert to fraction form
3,920,454.18/5,880,664.86 = 1,525,968.66/x - Step 3: Cross multiply
3,920,454.18x = 5,880,664.86 × 1,525,968.66 - Step 4: Simplify right side
3,920,454.18x = 8,973,710,276,323.29 - Step 5: Solve for x
x = 8,973,710,276,323.29/3,920,454.18 - Step 6: Final answer
x = 2,288,946.60
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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.