Finding the Fourth Proportional to 2,229,434.70, 3,344,152.05 and 1,557,588.30
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Solution
The fourth proportional to 2,229,434.70, 3,344,152.05 and 1,557,588.30 is: 2,336,382.45
Step by Step Solution
- Step 1: Write the proportion equation
2,229,434.70 : 3,344,152.05 = 1,557,588.30 : x - Step 2: Convert to fraction form
2,229,434.70/3,344,152.05 = 1,557,588.30/x - Step 3: Cross multiply
2,229,434.70x = 3,344,152.05 × 1,557,588.30 - Step 4: Simplify right side
2,229,434.70x = 5,208,812,106,501.01 - Step 5: Solve for x
x = 5,208,812,106,501.01/2,229,434.70 - Step 6: Final answer
x = 2,336,382.45
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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.