Finding the Fourth Proportional to 2,557,417.36, 3,529,228.70 and 1,411,489.50
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Solution
The fourth proportional to 2,557,417.36, 3,529,228.70 and 1,411,489.50 is: 1,947,851.50
Step by Step Solution
- Step 1: Write the proportion equation
2,557,417.36 : 3,529,228.70 = 1,411,489.50 : x - Step 2: Convert to fraction form
2,557,417.36/3,529,228.70 = 1,411,489.50/x - Step 3: Cross multiply
2,557,417.36x = 3,529,228.70 × 1,411,489.50 - Step 4: Simplify right side
2,557,417.36x = 4,981,469,253,148.65 - Step 5: Solve for x
x = 4,981,469,253,148.65/2,557,417.36 - Step 6: Final answer
x = 1,947,851.50
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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.