Finding the Fourth Proportional to 1,902,135.84, 2,625,216 and 1,177,216.80
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Solution
The fourth proportional to 1,902,135.84, 2,625,216 and 1,177,216.80 is: 1,624,725.38
Step by Step Solution
- Step 1: Write the proportion equation
1,902,135.84 : 2,625,216 = 1,177,216.80 : x - Step 2: Convert to fraction form
1,902,135.84/2,625,216 = 1,177,216.80/x - Step 3: Cross multiply
1,902,135.84x = 2,625,216 × 1,177,216.80 - Step 4: Simplify right side
1,902,135.84x = 3,090,448,378,828.80 - Step 5: Solve for x
x = 3,090,448,378,828.80/1,902,135.84 - Step 6: Final answer
x = 1,624,725.38
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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.