Finding the Fourth Proportional to 4,424,396.80, 6,105,852.48 and 2,490,661.12
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Solution
The fourth proportional to 4,424,396.80, 6,105,852.48 and 2,490,661.12 is: 3,437,216.43
Step by Step Solution
- Step 1: Write the proportion equation
4,424,396.80 : 6,105,852.48 = 2,490,661.12 : x - Step 2: Convert to fraction form
4,424,396.80/6,105,852.48 = 2,490,661.12/x - Step 3: Cross multiply
4,424,396.80x = 6,105,852.48 × 2,490,661.12 - Step 4: Simplify right side
4,424,396.80x = 15,207,609,376,391.58 - Step 5: Solve for x
x = 15,207,609,376,391.58/4,424,396.80 - Step 6: Final answer
x = 3,437,216.43
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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.