Finding the Fourth Proportional to 1,351,216.16, 1,864,494.56 and 807,236.84
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Solution
The fourth proportional to 1,351,216.16, 1,864,494.56 and 807,236.84 is: 1,113,877.07
Step by Step Solution
- Step 1: Write the proportion equation
1,351,216.16 : 1,864,494.56 = 807,236.84 : x - Step 2: Convert to fraction form
1,351,216.16/1,864,494.56 = 807,236.84/x - Step 3: Cross multiply
1,351,216.16x = 1,864,494.56 × 807,236.84 - Step 4: Simplify right side
1,351,216.16x = 1,505,088,696,811.59 - Step 5: Solve for x
x = 1,505,088,696,811.59/1,351,216.16 - Step 6: Final answer
x = 1,113,877.07
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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.