Finding the Fourth Proportional to 2,826,696.99, 4,238,434.38 and 1,929,225.09
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Solution
The fourth proportional to 2,826,696.99, 4,238,434.38 and 1,929,225.09 is: 2,892,738.05
Step by Step Solution
- Step 1: Write the proportion equation
2,826,696.99 : 4,238,434.38 = 1,929,225.09 : x - Step 2: Convert to fraction form
2,826,696.99/4,238,434.38 = 1,929,225.09/x - Step 3: Cross multiply
2,826,696.99x = 4,238,434.38 × 1,929,225.09 - Step 4: Simplify right side
2,826,696.99x = 8,176,893,948,214.60 - Step 5: Solve for x
x = 8,176,893,948,214.60/2,826,696.99 - Step 6: Final answer
x = 2,892,738.05
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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.