Finding the Fourth Proportional to 1,509,797.76, 2,264,696.64 and 387,867.84
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Solution
The fourth proportional to 1,509,797.76, 2,264,696.64 and 387,867.84 is: 581,801.76
Step by Step Solution
- Step 1: Write the proportion equation
1,509,797.76 : 2,264,696.64 = 387,867.84 : x - Step 2: Convert to fraction form
1,509,797.76/2,264,696.64 = 387,867.84/x - Step 3: Cross multiply
1,509,797.76x = 2,264,696.64 × 387,867.84 - Step 4: Simplify right side
1,509,797.76x = 878,402,994,012.06 - Step 5: Solve for x
x = 878,402,994,012.06/1,509,797.76 - Step 6: Final answer
x = 581,801.76
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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.