Finding the Fourth Proportional to 2,274,420.25, 3,136,141.16 and 1,859,662.99
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Solution
The fourth proportional to 2,274,420.25, 3,136,141.16 and 1,859,662.99 is: 2,564,242.75
Step by Step Solution
- Step 1: Write the proportion equation
2,274,420.25 : 3,136,141.16 = 1,859,662.99 : x - Step 2: Convert to fraction form
2,274,420.25/3,136,141.16 = 1,859,662.99/x - Step 3: Cross multiply
2,274,420.25x = 3,136,141.16 × 1,859,662.99 - Step 4: Simplify right side
2,274,420.25x = 5,832,165,637,369.35 - Step 5: Solve for x
x = 5,832,165,637,369.35/2,274,420.25 - Step 6: Final answer
x = 2,564,242.75
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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.