Finding the Fourth Proportional to 3,448,812.68, 4,759,362.82 and 1,999,348.36
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Solution
The fourth proportional to 3,448,812.68, 4,759,362.82 and 1,999,348.36 is: 2,759,101.50
Step by Step Solution
- Step 1: Write the proportion equation
3,448,812.68 : 4,759,362.82 = 1,999,348.36 : x - Step 2: Convert to fraction form
3,448,812.68/4,759,362.82 = 1,999,348.36/x - Step 3: Cross multiply
3,448,812.68x = 4,759,362.82 × 1,999,348.36 - Step 4: Simplify right side
3,448,812.68x = 9,515,624,248,811.98 - Step 5: Solve for x
x = 9,515,624,248,811.98/3,448,812.68 - Step 6: Final answer
x = 2,759,101.50
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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.