Finding the Fourth Proportional to 2,557,907.99, 3,529,788.99 and 1,455,235.57
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Solution
The fourth proportional to 2,557,907.99, 3,529,788.99 and 1,455,235.57 is: 2,008,154.53
Step by Step Solution
- Step 1: Write the proportion equation
2,557,907.99 : 3,529,788.99 = 1,455,235.57 : x - Step 2: Convert to fraction form
2,557,907.99/3,529,788.99 = 1,455,235.57/x - Step 3: Cross multiply
2,557,907.99x = 3,529,788.99 × 1,455,235.57 - Step 4: Simplify right side
2,557,907.99x = 5,136,674,499,983.18 - Step 5: Solve for x
x = 5,136,674,499,983.18/2,557,907.99 - Step 6: Final answer
x = 2,008,154.53
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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.