Finding the Fourth Proportional to 3,939,469.80, 5,435,542.62 and 2,390,696.41
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Solution
The fourth proportional to 3,939,469.80, 5,435,542.62 and 2,390,696.41 is: 3,298,599.28
Step by Step Solution
- Step 1: Write the proportion equation
3,939,469.80 : 5,435,542.62 = 2,390,696.41 : x - Step 2: Convert to fraction form
3,939,469.80/5,435,542.62 = 2,390,696.41/x - Step 3: Cross multiply
3,939,469.80x = 5,435,542.62 × 2,390,696.41 - Step 4: Simplify right side
3,939,469.80x = 12,994,732,240,601.09 - Step 5: Solve for x
x = 12,994,732,240,601.09/3,939,469.80 - Step 6: Final answer
x = 3,298,599.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.