Finding the Fourth Proportional to 3,586,280.40, 4,946,855.76 and 2,190,187.08
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Solution
The fourth proportional to 3,586,280.40, 4,946,855.76 and 2,190,187.08 is: 3,021,107.77
Step by Step Solution
- Step 1: Write the proportion equation
3,586,280.40 : 4,946,855.76 = 2,190,187.08 : x - Step 2: Convert to fraction form
3,586,280.40/4,946,855.76 = 2,190,187.08/x - Step 3: Cross multiply
3,586,280.40x = 4,946,855.76 × 2,190,187.08 - Step 4: Simplify right side
3,586,280.40x = 10,834,539,572,175.58 - Step 5: Solve for x
x = 10,834,539,572,175.58/3,586,280.40 - Step 6: Final answer
x = 3,021,107.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.