Finding the Fourth Proportional to 1,646,643.78, 2,469,962.84 and 848,153.61
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Solution
The fourth proportional to 1,646,643.78, 2,469,962.84 and 848,153.61 is: 1,272,228.95
Step by Step Solution
- Step 1: Write the proportion equation
1,646,643.78 : 2,469,962.84 = 848,153.61 : x - Step 2: Convert to fraction form
1,646,643.78/2,469,962.84 = 848,153.61/x - Step 3: Cross multiply
1,646,643.78x = 2,469,962.84 × 848,153.61 - Step 4: Simplify right side
1,646,643.78x = 2,094,907,895,071.08 - Step 5: Solve for x
x = 2,094,907,895,071.08/1,646,643.78 - Step 6: Final answer
x = 1,272,228.95
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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.