Finding the Fourth Proportional to 1,557,428.02, 2,149,251.09 and 859,709.26
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Solution
The fourth proportional to 1,557,428.02, 2,149,251.09 and 859,709.26 is: 1,186,399.01
Step by Step Solution
- Step 1: Write the proportion equation
1,557,428.02 : 2,149,251.09 = 859,709.26 : x - Step 2: Convert to fraction form
1,557,428.02/2,149,251.09 = 859,709.26/x - Step 3: Cross multiply
1,557,428.02x = 2,149,251.09 × 859,709.26 - Step 4: Simplify right side
1,557,428.02x = 1,847,731,053,391.84 - Step 5: Solve for x
x = 1,847,731,053,391.84/1,557,428.02 - Step 6: Final answer
x = 1,186,399.01
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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.