Finding the Fourth Proportional to 1,371,423.75, 1,892,578.95 and 827,454.44
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Solution
The fourth proportional to 1,371,423.75, 1,892,578.95 and 827,454.44 is: 1,141,895.68
Step by Step Solution
- Step 1: Write the proportion equation
1,371,423.75 : 1,892,578.95 = 827,454.44 : x - Step 2: Convert to fraction form
1,371,423.75/1,892,578.95 = 827,454.44/x - Step 3: Cross multiply
1,371,423.75x = 1,892,578.95 × 827,454.44 - Step 4: Simplify right side
1,371,423.75x = 1,566,022,855,228.04 - Step 5: Solve for x
x = 1,566,022,855,228.04/1,371,423.75 - Step 6: Final answer
x = 1,141,895.68
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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.