Finding the Fourth Proportional to 1,836,787.74, 2,534,813.91 and 1,009,851.18
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Solution
The fourth proportional to 1,836,787.74, 2,534,813.91 and 1,009,851.18 is: 1,393,620.37
Step by Step Solution
- Step 1: Write the proportion equation
1,836,787.74 : 2,534,813.91 = 1,009,851.18 : x - Step 2: Convert to fraction form
1,836,787.74/2,534,813.91 = 1,009,851.18/x - Step 3: Cross multiply
1,836,787.74x = 2,534,813.91 × 1,009,851.18 - Step 4: Simplify right side
1,836,787.74x = 2,559,784,818,093.91 - Step 5: Solve for x
x = 2,559,784,818,093.91/1,836,787.74 - Step 6: Final answer
x = 1,393,620.37
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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.