Finding the Fourth Proportional to 1,922,811.13, 2,652,677.58 and 1,106,819.56
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Solution
The fourth proportional to 1,922,811.13, 2,652,677.58 and 1,106,819.56 is: 1,526,949.47
Step by Step Solution
- Step 1: Write the proportion equation
1,922,811.13 : 2,652,677.58 = 1,106,819.56 : x - Step 2: Convert to fraction form
1,922,811.13/2,652,677.58 = 1,106,819.56/x - Step 3: Cross multiply
1,922,811.13x = 2,652,677.58 × 1,106,819.56 - Step 4: Simplify right side
1,922,811.13x = 2,936,035,431,917.47 - Step 5: Solve for x
x = 2,936,035,431,917.47/1,922,811.13 - Step 6: Final answer
x = 1,526,949.47
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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.