Finding the Fourth Proportional to 3,212,503.27, 4,817,204.88 and 1,865,005.09
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Solution
The fourth proportional to 3,212,503.27, 4,817,204.88 and 1,865,005.09 is: 2,796,607.77
Step by Step Solution
- Step 1: Write the proportion equation
3,212,503.27 : 4,817,204.88 = 1,865,005.09 : x - Step 2: Convert to fraction form
3,212,503.27/4,817,204.88 = 1,865,005.09/x - Step 3: Cross multiply
3,212,503.27x = 4,817,204.88 × 1,865,005.09 - Step 4: Simplify right side
3,212,503.27x = 8,984,111,620,772.84 - Step 5: Solve for x
x = 8,984,111,620,772.84/3,212,503.27 - Step 6: Final answer
x = 2,796,607.77
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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.