Finding the Fourth Proportional to 2,310,029.74, 3,187,486.91 and 1,329,779.37
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Solution
The fourth proportional to 2,310,029.74, 3,187,486.91 and 1,329,779.37 is: 1,834,891.67
Step by Step Solution
- Step 1: Write the proportion equation
2,310,029.74 : 3,187,486.91 = 1,329,779.37 : x - Step 2: Convert to fraction form
2,310,029.74/3,187,486.91 = 1,329,779.37/x - Step 3: Cross multiply
2,310,029.74x = 3,187,486.91 × 1,329,779.37 - Step 4: Simplify right side
2,310,029.74x = 4,238,654,328,414.15 - Step 5: Solve for x
x = 4,238,654,328,414.15/2,310,029.74 - Step 6: Final answer
x = 1,834,891.67
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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.