Finding the Fourth Proportional to 1,881,796.20, 2,596,828.18 and 1,107,472.58
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Solution
The fourth proportional to 1,881,796.20, 2,596,828.18 and 1,107,472.58 is: 1,528,282.40
Step by Step Solution
- Step 1: Write the proportion equation
1,881,796.20 : 2,596,828.18 = 1,107,472.58 : x - Step 2: Convert to fraction form
1,881,796.20/2,596,828.18 = 1,107,472.58/x - Step 3: Cross multiply
1,881,796.20x = 2,596,828.18 × 1,107,472.58 - Step 4: Simplify right side
1,881,796.20x = 2,875,916,004,321.31 - Step 5: Solve for x
x = 2,875,916,004,321.31/1,881,796.20 - Step 6: Final answer
x = 1,528,282.40
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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.