Finding the Fourth Proportional to 2,081,778.24, 3,122,677.08 and 642,443.88
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Solution
The fourth proportional to 2,081,778.24, 3,122,677.08 and 642,443.88 is: 963,668.82
Step by Step Solution
- Step 1: Write the proportion equation
2,081,778.24 : 3,122,677.08 = 642,443.88 : x - Step 2: Convert to fraction form
2,081,778.24/3,122,677.08 = 642,443.88/x - Step 3: Cross multiply
2,081,778.24x = 3,122,677.08 × 642,443.88 - Step 4: Simplify right side
2,081,778.24x = 2,006,144,779,262.27 - Step 5: Solve for x
x = 2,006,144,779,262.27/2,081,778.24 - Step 6: Final answer
x = 963,668.82
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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.