Finding the Fourth Proportional to 2,206,952.92, 3,045,497.82 and 1,289,267.08
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Solution
The fourth proportional to 2,206,952.92, 3,045,497.82 and 1,289,267.08 is: 1,779,131.78
Step by Step Solution
- Step 1: Write the proportion equation
2,206,952.92 : 3,045,497.82 = 1,289,267.08 : x - Step 2: Convert to fraction form
2,206,952.92/3,045,497.82 = 1,289,267.08/x - Step 3: Cross multiply
2,206,952.92x = 3,045,497.82 × 1,289,267.08 - Step 4: Simplify right side
2,206,952.92x = 3,926,460,081,537.77 - Step 5: Solve for x
x = 3,926,460,081,537.77/2,206,952.92 - Step 6: Final answer
x = 1,779,131.78
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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.