Finding the Fourth Proportional to 1,557,029.70, 2,335,107.15 and 492,398.10
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Solution
The fourth proportional to 1,557,029.70, 2,335,107.15 and 492,398.10 is: 738,458.83
Step by Step Solution
- Step 1: Write the proportion equation
1,557,029.70 : 2,335,107.15 = 492,398.10 : x - Step 2: Convert to fraction form
1,557,029.70/2,335,107.15 = 492,398.10/x - Step 3: Cross multiply
1,557,029.70x = 2,335,107.15 × 492,398.10 - Step 4: Simplify right side
1,557,029.70x = 1,149,802,323,956.41 - Step 5: Solve for x
x = 1,149,802,323,956.41/1,557,029.70 - Step 6: Final answer
x = 738,458.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.