Finding the Fourth Proportional to 2,826,579.48, 3,900,326.16 and 1,910,800.62
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Solution
The fourth proportional to 2,826,579.48, 3,900,326.16 and 1,910,800.62 is: 2,636,665.87
Step by Step Solution
- Step 1: Write the proportion equation
2,826,579.48 : 3,900,326.16 = 1,910,800.62 : x - Step 2: Convert to fraction form
2,826,579.48/3,900,326.16 = 1,910,800.62/x - Step 3: Cross multiply
2,826,579.48x = 3,900,326.16 × 1,910,800.62 - Step 4: Simplify right side
2,826,579.48x = 7,452,745,644,730.22 - Step 5: Solve for x
x = 7,452,745,644,730.22/2,826,579.48 - Step 6: Final answer
x = 2,636,665.87
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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.